[3] | 1 | /**************************************************************************//** |
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| 2 | * @file cmsis_gcc.h |
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| 3 | * @brief CMSIS compiler GCC header file |
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| 4 | * @version V5.2.0 |
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| 5 | * @date 08. May 2019 |
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| 6 | ******************************************************************************/ |
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| 7 | /* |
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| 8 | * Copyright (c) 2009-2019 Arm Limited. All rights reserved. |
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| 9 | * |
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| 10 | * SPDX-License-Identifier: Apache-2.0 |
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| 11 | * |
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| 12 | * Licensed under the Apache License, Version 2.0 (the License); you may |
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| 13 | * not use this file except in compliance with the License. |
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| 14 | * You may obtain a copy of the License at |
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| 15 | * |
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| 16 | * www.apache.org/licenses/LICENSE-2.0 |
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| 17 | * |
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| 18 | * Unless required by applicable law or agreed to in writing, software |
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| 19 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT |
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| 20 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 21 | * See the License for the specific language governing permissions and |
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| 22 | * limitations under the License. |
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| 23 | */ |
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| 24 | |
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| 25 | #ifndef __CMSIS_GCC_H |
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| 26 | #define __CMSIS_GCC_H |
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| 27 | |
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| 28 | /* ignore some GCC warnings */ |
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| 29 | #pragma GCC diagnostic push |
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| 30 | #pragma GCC diagnostic ignored "-Wsign-conversion" |
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| 31 | #pragma GCC diagnostic ignored "-Wconversion" |
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| 32 | #pragma GCC diagnostic ignored "-Wunused-parameter" |
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| 33 | |
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| 34 | /* Fallback for __has_builtin */ |
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| 35 | #ifndef __has_builtin |
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| 36 | #define __has_builtin(x) (0) |
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| 37 | #endif |
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| 38 | |
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| 39 | /* CMSIS compiler specific defines */ |
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| 40 | #ifndef __ASM |
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| 41 | #define __ASM __asm |
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| 42 | #endif |
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| 43 | #ifndef __INLINE |
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| 44 | #define __INLINE inline |
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| 45 | #endif |
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| 46 | #ifndef __STATIC_INLINE |
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| 47 | #define __STATIC_INLINE static inline |
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| 48 | #endif |
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| 49 | #ifndef __STATIC_FORCEINLINE |
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| 50 | #define __STATIC_FORCEINLINE __attribute__((always_inline)) static inline |
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| 51 | #endif |
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| 52 | #ifndef __NO_RETURN |
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| 53 | #define __NO_RETURN __attribute__((__noreturn__)) |
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| 54 | #endif |
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| 55 | #ifndef __USED |
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| 56 | #define __USED __attribute__((used)) |
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| 57 | #endif |
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| 58 | #ifndef __WEAK |
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| 59 | #define __WEAK __attribute__((weak)) |
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| 60 | #endif |
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| 61 | #ifndef __PACKED |
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| 62 | #define __PACKED __attribute__((packed, aligned(1))) |
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| 63 | #endif |
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| 64 | #ifndef __PACKED_STRUCT |
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| 65 | #define __PACKED_STRUCT struct __attribute__((packed, aligned(1))) |
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| 66 | #endif |
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| 67 | #ifndef __PACKED_UNION |
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| 68 | #define __PACKED_UNION union __attribute__((packed, aligned(1))) |
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| 69 | #endif |
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| 70 | #ifndef __UNALIGNED_UINT32 /* deprecated */ |
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| 71 | #pragma GCC diagnostic push |
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| 72 | #pragma GCC diagnostic ignored "-Wpacked" |
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| 73 | #pragma GCC diagnostic ignored "-Wattributes" |
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| 74 | struct __attribute__((packed)) T_UINT32 { uint32_t v; }; |
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| 75 | #pragma GCC diagnostic pop |
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| 76 | #define __UNALIGNED_UINT32(x) (((struct T_UINT32 *)(x))->v) |
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| 77 | #endif |
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| 78 | #ifndef __UNALIGNED_UINT16_WRITE |
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| 79 | #pragma GCC diagnostic push |
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| 80 | #pragma GCC diagnostic ignored "-Wpacked" |
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| 81 | #pragma GCC diagnostic ignored "-Wattributes" |
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| 82 | __PACKED_STRUCT T_UINT16_WRITE { uint16_t v; }; |
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| 83 | #pragma GCC diagnostic pop |
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| 84 | #define __UNALIGNED_UINT16_WRITE(addr, val) (void)((((struct T_UINT16_WRITE *)(void *)(addr))->v) = (val)) |
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| 85 | #endif |
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| 86 | #ifndef __UNALIGNED_UINT16_READ |
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| 87 | #pragma GCC diagnostic push |
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| 88 | #pragma GCC diagnostic ignored "-Wpacked" |
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| 89 | #pragma GCC diagnostic ignored "-Wattributes" |
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| 90 | __PACKED_STRUCT T_UINT16_READ { uint16_t v; }; |
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| 91 | #pragma GCC diagnostic pop |
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| 92 | #define __UNALIGNED_UINT16_READ(addr) (((const struct T_UINT16_READ *)(const void *)(addr))->v) |
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| 93 | #endif |
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| 94 | #ifndef __UNALIGNED_UINT32_WRITE |
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| 95 | #pragma GCC diagnostic push |
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| 96 | #pragma GCC diagnostic ignored "-Wpacked" |
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| 97 | #pragma GCC diagnostic ignored "-Wattributes" |
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| 98 | __PACKED_STRUCT T_UINT32_WRITE { uint32_t v; }; |
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| 99 | #pragma GCC diagnostic pop |
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| 100 | #define __UNALIGNED_UINT32_WRITE(addr, val) (void)((((struct T_UINT32_WRITE *)(void *)(addr))->v) = (val)) |
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| 101 | #endif |
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| 102 | #ifndef __UNALIGNED_UINT32_READ |
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| 103 | #pragma GCC diagnostic push |
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| 104 | #pragma GCC diagnostic ignored "-Wpacked" |
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| 105 | #pragma GCC diagnostic ignored "-Wattributes" |
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| 106 | __PACKED_STRUCT T_UINT32_READ { uint32_t v; }; |
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| 107 | #pragma GCC diagnostic pop |
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| 108 | #define __UNALIGNED_UINT32_READ(addr) (((const struct T_UINT32_READ *)(const void *)(addr))->v) |
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| 109 | #endif |
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| 110 | #ifndef __ALIGNED |
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| 111 | #define __ALIGNED(x) __attribute__((aligned(x))) |
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| 112 | #endif |
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| 113 | #ifndef __RESTRICT |
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| 114 | #define __RESTRICT __restrict |
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| 115 | #endif |
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| 116 | #ifndef __COMPILER_BARRIER |
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| 117 | #define __COMPILER_BARRIER() __ASM volatile("":::"memory") |
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| 118 | #endif |
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| 119 | |
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| 120 | /* ######################### Startup and Lowlevel Init ######################## */ |
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| 121 | |
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| 122 | #ifndef __PROGRAM_START |
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| 123 | |
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| 124 | /** |
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| 125 | \brief Initializes data and bss sections |
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| 126 | \details This default implementations initialized all data and additional bss |
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| 127 | sections relying on .copy.table and .zero.table specified properly |
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| 128 | in the used linker script. |
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| 129 | |
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| 130 | */ |
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| 131 | __STATIC_FORCEINLINE __NO_RETURN void __cmsis_start(void) |
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| 132 | { |
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| 133 | extern void _start(void) __NO_RETURN; |
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| 134 | |
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| 135 | typedef struct { |
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| 136 | uint32_t const* src; |
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| 137 | uint32_t* dest; |
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| 138 | uint32_t wlen; |
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| 139 | } __copy_table_t; |
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| 140 | |
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| 141 | typedef struct { |
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| 142 | uint32_t* dest; |
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| 143 | uint32_t wlen; |
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| 144 | } __zero_table_t; |
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| 145 | |
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| 146 | extern const __copy_table_t __copy_table_start__; |
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| 147 | extern const __copy_table_t __copy_table_end__; |
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| 148 | extern const __zero_table_t __zero_table_start__; |
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| 149 | extern const __zero_table_t __zero_table_end__; |
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| 150 | |
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| 151 | for (__copy_table_t const* pTable = &__copy_table_start__; pTable < &__copy_table_end__; ++pTable) { |
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| 152 | for(uint32_t i=0u; i<pTable->wlen; ++i) { |
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| 153 | pTable->dest[i] = pTable->src[i]; |
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| 154 | } |
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| 155 | } |
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| 156 | |
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| 157 | for (__zero_table_t const* pTable = &__zero_table_start__; pTable < &__zero_table_end__; ++pTable) { |
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| 158 | for(uint32_t i=0u; i<pTable->wlen; ++i) { |
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| 159 | pTable->dest[i] = 0u; |
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| 160 | } |
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| 161 | } |
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| 162 | |
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| 163 | _start(); |
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| 164 | } |
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| 165 | |
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| 166 | #define __PROGRAM_START __cmsis_start |
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| 167 | #endif |
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| 168 | |
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| 169 | #ifndef __INITIAL_SP |
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| 170 | #define __INITIAL_SP __StackTop |
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| 171 | #endif |
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| 172 | |
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| 173 | #ifndef __STACK_LIMIT |
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| 174 | #define __STACK_LIMIT __StackLimit |
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| 175 | #endif |
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| 176 | |
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| 177 | #ifndef __VECTOR_TABLE |
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| 178 | #define __VECTOR_TABLE __Vectors |
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| 179 | #endif |
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| 180 | |
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| 181 | #ifndef __VECTOR_TABLE_ATTRIBUTE |
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| 182 | #define __VECTOR_TABLE_ATTRIBUTE __attribute((used, section(".vectors"))) |
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| 183 | #endif |
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| 184 | |
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| 185 | /* ########################### Core Function Access ########################### */ |
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| 186 | /** \ingroup CMSIS_Core_FunctionInterface |
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| 187 | \defgroup CMSIS_Core_RegAccFunctions CMSIS Core Register Access Functions |
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| 188 | @{ |
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| 189 | */ |
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| 190 | |
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| 191 | /** |
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| 192 | \brief Enable IRQ Interrupts |
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| 193 | \details Enables IRQ interrupts by clearing the I-bit in the CPSR. |
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| 194 | Can only be executed in Privileged modes. |
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| 195 | */ |
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| 196 | __STATIC_FORCEINLINE void __enable_irq(void) |
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| 197 | { |
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| 198 | __ASM volatile ("cpsie i" : : : "memory"); |
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| 199 | } |
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| 200 | |
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| 201 | |
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| 202 | /** |
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| 203 | \brief Disable IRQ Interrupts |
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| 204 | \details Disables IRQ interrupts by setting the I-bit in the CPSR. |
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| 205 | Can only be executed in Privileged modes. |
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| 206 | */ |
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| 207 | __STATIC_FORCEINLINE void __disable_irq(void) |
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| 208 | { |
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| 209 | __ASM volatile ("cpsid i" : : : "memory"); |
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| 210 | } |
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| 211 | |
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| 212 | |
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| 213 | /** |
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| 214 | \brief Get Control Register |
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| 215 | \details Returns the content of the Control Register. |
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| 216 | \return Control Register value |
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| 217 | */ |
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| 218 | __STATIC_FORCEINLINE uint32_t __get_CONTROL(void) |
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| 219 | { |
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| 220 | uint32_t result; |
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| 221 | |
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| 222 | __ASM volatile ("MRS %0, control" : "=r" (result) ); |
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| 223 | return(result); |
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| 224 | } |
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| 225 | |
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| 226 | |
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| 227 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 228 | /** |
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| 229 | \brief Get Control Register (non-secure) |
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| 230 | \details Returns the content of the non-secure Control Register when in secure mode. |
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| 231 | \return non-secure Control Register value |
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| 232 | */ |
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| 233 | __STATIC_FORCEINLINE uint32_t __TZ_get_CONTROL_NS(void) |
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| 234 | { |
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| 235 | uint32_t result; |
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| 236 | |
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| 237 | __ASM volatile ("MRS %0, control_ns" : "=r" (result) ); |
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| 238 | return(result); |
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| 239 | } |
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| 240 | #endif |
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| 241 | |
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| 242 | |
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| 243 | /** |
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| 244 | \brief Set Control Register |
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| 245 | \details Writes the given value to the Control Register. |
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| 246 | \param [in] control Control Register value to set |
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| 247 | */ |
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| 248 | __STATIC_FORCEINLINE void __set_CONTROL(uint32_t control) |
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| 249 | { |
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| 250 | __ASM volatile ("MSR control, %0" : : "r" (control) : "memory"); |
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| 251 | } |
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| 252 | |
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| 253 | |
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| 254 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 255 | /** |
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| 256 | \brief Set Control Register (non-secure) |
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| 257 | \details Writes the given value to the non-secure Control Register when in secure state. |
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| 258 | \param [in] control Control Register value to set |
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| 259 | */ |
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| 260 | __STATIC_FORCEINLINE void __TZ_set_CONTROL_NS(uint32_t control) |
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| 261 | { |
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| 262 | __ASM volatile ("MSR control_ns, %0" : : "r" (control) : "memory"); |
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| 263 | } |
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| 264 | #endif |
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| 265 | |
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| 266 | |
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| 267 | /** |
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| 268 | \brief Get IPSR Register |
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| 269 | \details Returns the content of the IPSR Register. |
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| 270 | \return IPSR Register value |
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| 271 | */ |
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| 272 | __STATIC_FORCEINLINE uint32_t __get_IPSR(void) |
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| 273 | { |
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| 274 | uint32_t result; |
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| 275 | |
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| 276 | __ASM volatile ("MRS %0, ipsr" : "=r" (result) ); |
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| 277 | return(result); |
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| 278 | } |
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| 279 | |
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| 280 | |
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| 281 | /** |
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| 282 | \brief Get APSR Register |
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| 283 | \details Returns the content of the APSR Register. |
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| 284 | \return APSR Register value |
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| 285 | */ |
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| 286 | __STATIC_FORCEINLINE uint32_t __get_APSR(void) |
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| 287 | { |
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| 288 | uint32_t result; |
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| 289 | |
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| 290 | __ASM volatile ("MRS %0, apsr" : "=r" (result) ); |
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| 291 | return(result); |
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| 292 | } |
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| 293 | |
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| 294 | |
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| 295 | /** |
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| 296 | \brief Get xPSR Register |
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| 297 | \details Returns the content of the xPSR Register. |
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| 298 | \return xPSR Register value |
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| 299 | */ |
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| 300 | __STATIC_FORCEINLINE uint32_t __get_xPSR(void) |
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| 301 | { |
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| 302 | uint32_t result; |
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| 303 | |
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| 304 | __ASM volatile ("MRS %0, xpsr" : "=r" (result) ); |
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| 305 | return(result); |
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| 306 | } |
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| 307 | |
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| 308 | |
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| 309 | /** |
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| 310 | \brief Get Process Stack Pointer |
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| 311 | \details Returns the current value of the Process Stack Pointer (PSP). |
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| 312 | \return PSP Register value |
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| 313 | */ |
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| 314 | __STATIC_FORCEINLINE uint32_t __get_PSP(void) |
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| 315 | { |
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| 316 | uint32_t result; |
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| 317 | |
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| 318 | __ASM volatile ("MRS %0, psp" : "=r" (result) ); |
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| 319 | return(result); |
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| 320 | } |
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| 321 | |
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| 322 | |
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| 323 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 324 | /** |
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| 325 | \brief Get Process Stack Pointer (non-secure) |
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| 326 | \details Returns the current value of the non-secure Process Stack Pointer (PSP) when in secure state. |
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| 327 | \return PSP Register value |
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| 328 | */ |
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| 329 | __STATIC_FORCEINLINE uint32_t __TZ_get_PSP_NS(void) |
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| 330 | { |
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| 331 | uint32_t result; |
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| 332 | |
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| 333 | __ASM volatile ("MRS %0, psp_ns" : "=r" (result) ); |
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| 334 | return(result); |
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| 335 | } |
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| 336 | #endif |
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| 337 | |
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| 338 | |
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| 339 | /** |
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| 340 | \brief Set Process Stack Pointer |
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| 341 | \details Assigns the given value to the Process Stack Pointer (PSP). |
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| 342 | \param [in] topOfProcStack Process Stack Pointer value to set |
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| 343 | */ |
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| 344 | __STATIC_FORCEINLINE void __set_PSP(uint32_t topOfProcStack) |
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| 345 | { |
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| 346 | __ASM volatile ("MSR psp, %0" : : "r" (topOfProcStack) : ); |
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| 347 | } |
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| 348 | |
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| 349 | |
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| 350 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 351 | /** |
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| 352 | \brief Set Process Stack Pointer (non-secure) |
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| 353 | \details Assigns the given value to the non-secure Process Stack Pointer (PSP) when in secure state. |
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| 354 | \param [in] topOfProcStack Process Stack Pointer value to set |
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| 355 | */ |
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| 356 | __STATIC_FORCEINLINE void __TZ_set_PSP_NS(uint32_t topOfProcStack) |
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| 357 | { |
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| 358 | __ASM volatile ("MSR psp_ns, %0" : : "r" (topOfProcStack) : ); |
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| 359 | } |
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| 360 | #endif |
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| 361 | |
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| 362 | |
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| 363 | /** |
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| 364 | \brief Get Main Stack Pointer |
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| 365 | \details Returns the current value of the Main Stack Pointer (MSP). |
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| 366 | \return MSP Register value |
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| 367 | */ |
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| 368 | __STATIC_FORCEINLINE uint32_t __get_MSP(void) |
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| 369 | { |
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| 370 | uint32_t result; |
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| 371 | |
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| 372 | __ASM volatile ("MRS %0, msp" : "=r" (result) ); |
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| 373 | return(result); |
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| 374 | } |
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| 375 | |
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| 376 | |
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| 377 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 378 | /** |
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| 379 | \brief Get Main Stack Pointer (non-secure) |
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| 380 | \details Returns the current value of the non-secure Main Stack Pointer (MSP) when in secure state. |
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| 381 | \return MSP Register value |
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| 382 | */ |
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| 383 | __STATIC_FORCEINLINE uint32_t __TZ_get_MSP_NS(void) |
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| 384 | { |
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| 385 | uint32_t result; |
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| 386 | |
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| 387 | __ASM volatile ("MRS %0, msp_ns" : "=r" (result) ); |
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| 388 | return(result); |
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| 389 | } |
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| 390 | #endif |
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| 391 | |
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| 392 | |
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| 393 | /** |
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| 394 | \brief Set Main Stack Pointer |
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| 395 | \details Assigns the given value to the Main Stack Pointer (MSP). |
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| 396 | \param [in] topOfMainStack Main Stack Pointer value to set |
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| 397 | */ |
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| 398 | __STATIC_FORCEINLINE void __set_MSP(uint32_t topOfMainStack) |
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| 399 | { |
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| 400 | __ASM volatile ("MSR msp, %0" : : "r" (topOfMainStack) : ); |
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| 401 | } |
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| 402 | |
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| 403 | |
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| 404 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 405 | /** |
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| 406 | \brief Set Main Stack Pointer (non-secure) |
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| 407 | \details Assigns the given value to the non-secure Main Stack Pointer (MSP) when in secure state. |
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| 408 | \param [in] topOfMainStack Main Stack Pointer value to set |
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| 409 | */ |
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| 410 | __STATIC_FORCEINLINE void __TZ_set_MSP_NS(uint32_t topOfMainStack) |
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| 411 | { |
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| 412 | __ASM volatile ("MSR msp_ns, %0" : : "r" (topOfMainStack) : ); |
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| 413 | } |
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| 414 | #endif |
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| 415 | |
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| 416 | |
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| 417 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 418 | /** |
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| 419 | \brief Get Stack Pointer (non-secure) |
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| 420 | \details Returns the current value of the non-secure Stack Pointer (SP) when in secure state. |
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| 421 | \return SP Register value |
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| 422 | */ |
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| 423 | __STATIC_FORCEINLINE uint32_t __TZ_get_SP_NS(void) |
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| 424 | { |
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| 425 | uint32_t result; |
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| 426 | |
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| 427 | __ASM volatile ("MRS %0, sp_ns" : "=r" (result) ); |
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| 428 | return(result); |
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| 429 | } |
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| 430 | |
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| 431 | |
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| 432 | /** |
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| 433 | \brief Set Stack Pointer (non-secure) |
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| 434 | \details Assigns the given value to the non-secure Stack Pointer (SP) when in secure state. |
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| 435 | \param [in] topOfStack Stack Pointer value to set |
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| 436 | */ |
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| 437 | __STATIC_FORCEINLINE void __TZ_set_SP_NS(uint32_t topOfStack) |
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| 438 | { |
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| 439 | __ASM volatile ("MSR sp_ns, %0" : : "r" (topOfStack) : ); |
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| 440 | } |
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| 441 | #endif |
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| 442 | |
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| 443 | |
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| 444 | /** |
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| 445 | \brief Get Priority Mask |
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| 446 | \details Returns the current state of the priority mask bit from the Priority Mask Register. |
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| 447 | \return Priority Mask value |
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| 448 | */ |
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| 449 | __STATIC_FORCEINLINE uint32_t __get_PRIMASK(void) |
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| 450 | { |
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| 451 | uint32_t result; |
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| 452 | |
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| 453 | __ASM volatile ("MRS %0, primask" : "=r" (result) :: "memory"); |
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| 454 | return(result); |
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| 455 | } |
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| 456 | |
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| 457 | |
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| 458 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 459 | /** |
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| 460 | \brief Get Priority Mask (non-secure) |
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| 461 | \details Returns the current state of the non-secure priority mask bit from the Priority Mask Register when in secure state. |
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| 462 | \return Priority Mask value |
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| 463 | */ |
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| 464 | __STATIC_FORCEINLINE uint32_t __TZ_get_PRIMASK_NS(void) |
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| 465 | { |
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| 466 | uint32_t result; |
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| 467 | |
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| 468 | __ASM volatile ("MRS %0, primask_ns" : "=r" (result) :: "memory"); |
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| 469 | return(result); |
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| 470 | } |
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| 471 | #endif |
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| 472 | |
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| 473 | |
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| 474 | /** |
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| 475 | \brief Set Priority Mask |
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| 476 | \details Assigns the given value to the Priority Mask Register. |
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| 477 | \param [in] priMask Priority Mask |
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| 478 | */ |
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| 479 | __STATIC_FORCEINLINE void __set_PRIMASK(uint32_t priMask) |
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| 480 | { |
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| 481 | __ASM volatile ("MSR primask, %0" : : "r" (priMask) : "memory"); |
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| 482 | } |
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| 483 | |
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| 484 | |
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| 485 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
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| 486 | /** |
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| 487 | \brief Set Priority Mask (non-secure) |
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| 488 | \details Assigns the given value to the non-secure Priority Mask Register when in secure state. |
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| 489 | \param [in] priMask Priority Mask |
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| 490 | */ |
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| 491 | __STATIC_FORCEINLINE void __TZ_set_PRIMASK_NS(uint32_t priMask) |
---|
| 492 | { |
---|
| 493 | __ASM volatile ("MSR primask_ns, %0" : : "r" (priMask) : "memory"); |
---|
| 494 | } |
---|
| 495 | #endif |
---|
| 496 | |
---|
| 497 | |
---|
| 498 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 499 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 500 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) |
---|
| 501 | /** |
---|
| 502 | \brief Enable FIQ |
---|
| 503 | \details Enables FIQ interrupts by clearing the F-bit in the CPSR. |
---|
| 504 | Can only be executed in Privileged modes. |
---|
| 505 | */ |
---|
| 506 | __STATIC_FORCEINLINE void __enable_fault_irq(void) |
---|
| 507 | { |
---|
| 508 | __ASM volatile ("cpsie f" : : : "memory"); |
---|
| 509 | } |
---|
| 510 | |
---|
| 511 | |
---|
| 512 | /** |
---|
| 513 | \brief Disable FIQ |
---|
| 514 | \details Disables FIQ interrupts by setting the F-bit in the CPSR. |
---|
| 515 | Can only be executed in Privileged modes. |
---|
| 516 | */ |
---|
| 517 | __STATIC_FORCEINLINE void __disable_fault_irq(void) |
---|
| 518 | { |
---|
| 519 | __ASM volatile ("cpsid f" : : : "memory"); |
---|
| 520 | } |
---|
| 521 | |
---|
| 522 | |
---|
| 523 | /** |
---|
| 524 | \brief Get Base Priority |
---|
| 525 | \details Returns the current value of the Base Priority register. |
---|
| 526 | \return Base Priority register value |
---|
| 527 | */ |
---|
| 528 | __STATIC_FORCEINLINE uint32_t __get_BASEPRI(void) |
---|
| 529 | { |
---|
| 530 | uint32_t result; |
---|
| 531 | |
---|
| 532 | __ASM volatile ("MRS %0, basepri" : "=r" (result) ); |
---|
| 533 | return(result); |
---|
| 534 | } |
---|
| 535 | |
---|
| 536 | |
---|
| 537 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 538 | /** |
---|
| 539 | \brief Get Base Priority (non-secure) |
---|
| 540 | \details Returns the current value of the non-secure Base Priority register when in secure state. |
---|
| 541 | \return Base Priority register value |
---|
| 542 | */ |
---|
| 543 | __STATIC_FORCEINLINE uint32_t __TZ_get_BASEPRI_NS(void) |
---|
| 544 | { |
---|
| 545 | uint32_t result; |
---|
| 546 | |
---|
| 547 | __ASM volatile ("MRS %0, basepri_ns" : "=r" (result) ); |
---|
| 548 | return(result); |
---|
| 549 | } |
---|
| 550 | #endif |
---|
| 551 | |
---|
| 552 | |
---|
| 553 | /** |
---|
| 554 | \brief Set Base Priority |
---|
| 555 | \details Assigns the given value to the Base Priority register. |
---|
| 556 | \param [in] basePri Base Priority value to set |
---|
| 557 | */ |
---|
| 558 | __STATIC_FORCEINLINE void __set_BASEPRI(uint32_t basePri) |
---|
| 559 | { |
---|
| 560 | __ASM volatile ("MSR basepri, %0" : : "r" (basePri) : "memory"); |
---|
| 561 | } |
---|
| 562 | |
---|
| 563 | |
---|
| 564 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 565 | /** |
---|
| 566 | \brief Set Base Priority (non-secure) |
---|
| 567 | \details Assigns the given value to the non-secure Base Priority register when in secure state. |
---|
| 568 | \param [in] basePri Base Priority value to set |
---|
| 569 | */ |
---|
| 570 | __STATIC_FORCEINLINE void __TZ_set_BASEPRI_NS(uint32_t basePri) |
---|
| 571 | { |
---|
| 572 | __ASM volatile ("MSR basepri_ns, %0" : : "r" (basePri) : "memory"); |
---|
| 573 | } |
---|
| 574 | #endif |
---|
| 575 | |
---|
| 576 | |
---|
| 577 | /** |
---|
| 578 | \brief Set Base Priority with condition |
---|
| 579 | \details Assigns the given value to the Base Priority register only if BASEPRI masking is disabled, |
---|
| 580 | or the new value increases the BASEPRI priority level. |
---|
| 581 | \param [in] basePri Base Priority value to set |
---|
| 582 | */ |
---|
| 583 | __STATIC_FORCEINLINE void __set_BASEPRI_MAX(uint32_t basePri) |
---|
| 584 | { |
---|
| 585 | __ASM volatile ("MSR basepri_max, %0" : : "r" (basePri) : "memory"); |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | |
---|
| 589 | /** |
---|
| 590 | \brief Get Fault Mask |
---|
| 591 | \details Returns the current value of the Fault Mask register. |
---|
| 592 | \return Fault Mask register value |
---|
| 593 | */ |
---|
| 594 | __STATIC_FORCEINLINE uint32_t __get_FAULTMASK(void) |
---|
| 595 | { |
---|
| 596 | uint32_t result; |
---|
| 597 | |
---|
| 598 | __ASM volatile ("MRS %0, faultmask" : "=r" (result) ); |
---|
| 599 | return(result); |
---|
| 600 | } |
---|
| 601 | |
---|
| 602 | |
---|
| 603 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 604 | /** |
---|
| 605 | \brief Get Fault Mask (non-secure) |
---|
| 606 | \details Returns the current value of the non-secure Fault Mask register when in secure state. |
---|
| 607 | \return Fault Mask register value |
---|
| 608 | */ |
---|
| 609 | __STATIC_FORCEINLINE uint32_t __TZ_get_FAULTMASK_NS(void) |
---|
| 610 | { |
---|
| 611 | uint32_t result; |
---|
| 612 | |
---|
| 613 | __ASM volatile ("MRS %0, faultmask_ns" : "=r" (result) ); |
---|
| 614 | return(result); |
---|
| 615 | } |
---|
| 616 | #endif |
---|
| 617 | |
---|
| 618 | |
---|
| 619 | /** |
---|
| 620 | \brief Set Fault Mask |
---|
| 621 | \details Assigns the given value to the Fault Mask register. |
---|
| 622 | \param [in] faultMask Fault Mask value to set |
---|
| 623 | */ |
---|
| 624 | __STATIC_FORCEINLINE void __set_FAULTMASK(uint32_t faultMask) |
---|
| 625 | { |
---|
| 626 | __ASM volatile ("MSR faultmask, %0" : : "r" (faultMask) : "memory"); |
---|
| 627 | } |
---|
| 628 | |
---|
| 629 | |
---|
| 630 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 631 | /** |
---|
| 632 | \brief Set Fault Mask (non-secure) |
---|
| 633 | \details Assigns the given value to the non-secure Fault Mask register when in secure state. |
---|
| 634 | \param [in] faultMask Fault Mask value to set |
---|
| 635 | */ |
---|
| 636 | __STATIC_FORCEINLINE void __TZ_set_FAULTMASK_NS(uint32_t faultMask) |
---|
| 637 | { |
---|
| 638 | __ASM volatile ("MSR faultmask_ns, %0" : : "r" (faultMask) : "memory"); |
---|
| 639 | } |
---|
| 640 | #endif |
---|
| 641 | |
---|
| 642 | #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 643 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 644 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */ |
---|
| 645 | |
---|
| 646 | |
---|
| 647 | #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 648 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) |
---|
| 649 | |
---|
| 650 | /** |
---|
| 651 | \brief Get Process Stack Pointer Limit |
---|
| 652 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 653 | Stack Pointer Limit register hence zero is returned always in non-secure |
---|
| 654 | mode. |
---|
| 655 | |
---|
| 656 | \details Returns the current value of the Process Stack Pointer Limit (PSPLIM). |
---|
| 657 | \return PSPLIM Register value |
---|
| 658 | */ |
---|
| 659 | __STATIC_FORCEINLINE uint32_t __get_PSPLIM(void) |
---|
| 660 | { |
---|
| 661 | #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \ |
---|
| 662 | (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3))) |
---|
| 663 | // without main extensions, the non-secure PSPLIM is RAZ/WI |
---|
| 664 | return 0U; |
---|
| 665 | #else |
---|
| 666 | uint32_t result; |
---|
| 667 | __ASM volatile ("MRS %0, psplim" : "=r" (result) ); |
---|
| 668 | return result; |
---|
| 669 | #endif |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | #if (defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 673 | /** |
---|
| 674 | \brief Get Process Stack Pointer Limit (non-secure) |
---|
| 675 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 676 | Stack Pointer Limit register hence zero is returned always. |
---|
| 677 | |
---|
| 678 | \details Returns the current value of the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state. |
---|
| 679 | \return PSPLIM Register value |
---|
| 680 | */ |
---|
| 681 | __STATIC_FORCEINLINE uint32_t __TZ_get_PSPLIM_NS(void) |
---|
| 682 | { |
---|
| 683 | #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1))) |
---|
| 684 | // without main extensions, the non-secure PSPLIM is RAZ/WI |
---|
| 685 | return 0U; |
---|
| 686 | #else |
---|
| 687 | uint32_t result; |
---|
| 688 | __ASM volatile ("MRS %0, psplim_ns" : "=r" (result) ); |
---|
| 689 | return result; |
---|
| 690 | #endif |
---|
| 691 | } |
---|
| 692 | #endif |
---|
| 693 | |
---|
| 694 | |
---|
| 695 | /** |
---|
| 696 | \brief Set Process Stack Pointer Limit |
---|
| 697 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 698 | Stack Pointer Limit register hence the write is silently ignored in non-secure |
---|
| 699 | mode. |
---|
| 700 | |
---|
| 701 | \details Assigns the given value to the Process Stack Pointer Limit (PSPLIM). |
---|
| 702 | \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set |
---|
| 703 | */ |
---|
| 704 | __STATIC_FORCEINLINE void __set_PSPLIM(uint32_t ProcStackPtrLimit) |
---|
| 705 | { |
---|
| 706 | #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \ |
---|
| 707 | (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3))) |
---|
| 708 | // without main extensions, the non-secure PSPLIM is RAZ/WI |
---|
| 709 | (void)ProcStackPtrLimit; |
---|
| 710 | #else |
---|
| 711 | __ASM volatile ("MSR psplim, %0" : : "r" (ProcStackPtrLimit)); |
---|
| 712 | #endif |
---|
| 713 | } |
---|
| 714 | |
---|
| 715 | |
---|
| 716 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 717 | /** |
---|
| 718 | \brief Set Process Stack Pointer (non-secure) |
---|
| 719 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 720 | Stack Pointer Limit register hence the write is silently ignored. |
---|
| 721 | |
---|
| 722 | \details Assigns the given value to the non-secure Process Stack Pointer Limit (PSPLIM) when in secure state. |
---|
| 723 | \param [in] ProcStackPtrLimit Process Stack Pointer Limit value to set |
---|
| 724 | */ |
---|
| 725 | __STATIC_FORCEINLINE void __TZ_set_PSPLIM_NS(uint32_t ProcStackPtrLimit) |
---|
| 726 | { |
---|
| 727 | #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1))) |
---|
| 728 | // without main extensions, the non-secure PSPLIM is RAZ/WI |
---|
| 729 | (void)ProcStackPtrLimit; |
---|
| 730 | #else |
---|
| 731 | __ASM volatile ("MSR psplim_ns, %0\n" : : "r" (ProcStackPtrLimit)); |
---|
| 732 | #endif |
---|
| 733 | } |
---|
| 734 | #endif |
---|
| 735 | |
---|
| 736 | |
---|
| 737 | /** |
---|
| 738 | \brief Get Main Stack Pointer Limit |
---|
| 739 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 740 | Stack Pointer Limit register hence zero is returned always in non-secure |
---|
| 741 | mode. |
---|
| 742 | |
---|
| 743 | \details Returns the current value of the Main Stack Pointer Limit (MSPLIM). |
---|
| 744 | \return MSPLIM Register value |
---|
| 745 | */ |
---|
| 746 | __STATIC_FORCEINLINE uint32_t __get_MSPLIM(void) |
---|
| 747 | { |
---|
| 748 | #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \ |
---|
| 749 | (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3))) |
---|
| 750 | // without main extensions, the non-secure MSPLIM is RAZ/WI |
---|
| 751 | return 0U; |
---|
| 752 | #else |
---|
| 753 | uint32_t result; |
---|
| 754 | __ASM volatile ("MRS %0, msplim" : "=r" (result) ); |
---|
| 755 | return result; |
---|
| 756 | #endif |
---|
| 757 | } |
---|
| 758 | |
---|
| 759 | |
---|
| 760 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 761 | /** |
---|
| 762 | \brief Get Main Stack Pointer Limit (non-secure) |
---|
| 763 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 764 | Stack Pointer Limit register hence zero is returned always. |
---|
| 765 | |
---|
| 766 | \details Returns the current value of the non-secure Main Stack Pointer Limit(MSPLIM) when in secure state. |
---|
| 767 | \return MSPLIM Register value |
---|
| 768 | */ |
---|
| 769 | __STATIC_FORCEINLINE uint32_t __TZ_get_MSPLIM_NS(void) |
---|
| 770 | { |
---|
| 771 | #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1))) |
---|
| 772 | // without main extensions, the non-secure MSPLIM is RAZ/WI |
---|
| 773 | return 0U; |
---|
| 774 | #else |
---|
| 775 | uint32_t result; |
---|
| 776 | __ASM volatile ("MRS %0, msplim_ns" : "=r" (result) ); |
---|
| 777 | return result; |
---|
| 778 | #endif |
---|
| 779 | } |
---|
| 780 | #endif |
---|
| 781 | |
---|
| 782 | |
---|
| 783 | /** |
---|
| 784 | \brief Set Main Stack Pointer Limit |
---|
| 785 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 786 | Stack Pointer Limit register hence the write is silently ignored in non-secure |
---|
| 787 | mode. |
---|
| 788 | |
---|
| 789 | \details Assigns the given value to the Main Stack Pointer Limit (MSPLIM). |
---|
| 790 | \param [in] MainStackPtrLimit Main Stack Pointer Limit value to set |
---|
| 791 | */ |
---|
| 792 | __STATIC_FORCEINLINE void __set_MSPLIM(uint32_t MainStackPtrLimit) |
---|
| 793 | { |
---|
| 794 | #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) && \ |
---|
| 795 | (!defined (__ARM_FEATURE_CMSE) || (__ARM_FEATURE_CMSE < 3))) |
---|
| 796 | // without main extensions, the non-secure MSPLIM is RAZ/WI |
---|
| 797 | (void)MainStackPtrLimit; |
---|
| 798 | #else |
---|
| 799 | __ASM volatile ("MSR msplim, %0" : : "r" (MainStackPtrLimit)); |
---|
| 800 | #endif |
---|
| 801 | } |
---|
| 802 | |
---|
| 803 | |
---|
| 804 | #if (defined (__ARM_FEATURE_CMSE ) && (__ARM_FEATURE_CMSE == 3)) |
---|
| 805 | /** |
---|
| 806 | \brief Set Main Stack Pointer Limit (non-secure) |
---|
| 807 | Devices without ARMv8-M Main Extensions (i.e. Cortex-M23) lack the non-secure |
---|
| 808 | Stack Pointer Limit register hence the write is silently ignored. |
---|
| 809 | |
---|
| 810 | \details Assigns the given value to the non-secure Main Stack Pointer Limit (MSPLIM) when in secure state. |
---|
| 811 | \param [in] MainStackPtrLimit Main Stack Pointer value to set |
---|
| 812 | */ |
---|
| 813 | __STATIC_FORCEINLINE void __TZ_set_MSPLIM_NS(uint32_t MainStackPtrLimit) |
---|
| 814 | { |
---|
| 815 | #if (!(defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1))) |
---|
| 816 | // without main extensions, the non-secure MSPLIM is RAZ/WI |
---|
| 817 | (void)MainStackPtrLimit; |
---|
| 818 | #else |
---|
| 819 | __ASM volatile ("MSR msplim_ns, %0" : : "r" (MainStackPtrLimit)); |
---|
| 820 | #endif |
---|
| 821 | } |
---|
| 822 | #endif |
---|
| 823 | |
---|
| 824 | #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 825 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */ |
---|
| 826 | |
---|
| 827 | |
---|
| 828 | /** |
---|
| 829 | \brief Get FPSCR |
---|
| 830 | \details Returns the current value of the Floating Point Status/Control register. |
---|
| 831 | \return Floating Point Status/Control register value |
---|
| 832 | */ |
---|
| 833 | __STATIC_FORCEINLINE uint32_t __get_FPSCR(void) |
---|
| 834 | { |
---|
| 835 | #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ |
---|
| 836 | (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) |
---|
| 837 | #if __has_builtin(__builtin_arm_get_fpscr) |
---|
| 838 | // Re-enable using built-in when GCC has been fixed |
---|
| 839 | // || (__GNUC__ > 7) || (__GNUC__ == 7 && __GNUC_MINOR__ >= 2) |
---|
| 840 | /* see https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00443.html */ |
---|
| 841 | return __builtin_arm_get_fpscr(); |
---|
| 842 | #else |
---|
| 843 | uint32_t result; |
---|
| 844 | |
---|
| 845 | __ASM volatile ("VMRS %0, fpscr" : "=r" (result) ); |
---|
| 846 | return(result); |
---|
| 847 | #endif |
---|
| 848 | #else |
---|
| 849 | return(0U); |
---|
| 850 | #endif |
---|
| 851 | } |
---|
| 852 | |
---|
| 853 | |
---|
| 854 | /** |
---|
| 855 | \brief Set FPSCR |
---|
| 856 | \details Assigns the given value to the Floating Point Status/Control register. |
---|
| 857 | \param [in] fpscr Floating Point Status/Control value to set |
---|
| 858 | */ |
---|
| 859 | __STATIC_FORCEINLINE void __set_FPSCR(uint32_t fpscr) |
---|
| 860 | { |
---|
| 861 | #if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \ |
---|
| 862 | (defined (__FPU_USED ) && (__FPU_USED == 1U)) ) |
---|
| 863 | #if __has_builtin(__builtin_arm_set_fpscr) |
---|
| 864 | // Re-enable using built-in when GCC has been fixed |
---|
| 865 | // || (__GNUC__ > 7) || (__GNUC__ == 7 && __GNUC_MINOR__ >= 2) |
---|
| 866 | /* see https://gcc.gnu.org/ml/gcc-patches/2017-04/msg00443.html */ |
---|
| 867 | __builtin_arm_set_fpscr(fpscr); |
---|
| 868 | #else |
---|
| 869 | __ASM volatile ("VMSR fpscr, %0" : : "r" (fpscr) : "vfpcc", "memory"); |
---|
| 870 | #endif |
---|
| 871 | #else |
---|
| 872 | (void)fpscr; |
---|
| 873 | #endif |
---|
| 874 | } |
---|
| 875 | |
---|
| 876 | |
---|
| 877 | /*@} end of CMSIS_Core_RegAccFunctions */ |
---|
| 878 | |
---|
| 879 | |
---|
| 880 | /* ########################## Core Instruction Access ######################### */ |
---|
| 881 | /** \defgroup CMSIS_Core_InstructionInterface CMSIS Core Instruction Interface |
---|
| 882 | Access to dedicated instructions |
---|
| 883 | @{ |
---|
| 884 | */ |
---|
| 885 | |
---|
| 886 | /* Define macros for porting to both thumb1 and thumb2. |
---|
| 887 | * For thumb1, use low register (r0-r7), specified by constraint "l" |
---|
| 888 | * Otherwise, use general registers, specified by constraint "r" */ |
---|
| 889 | #if defined (__thumb__) && !defined (__thumb2__) |
---|
| 890 | #define __CMSIS_GCC_OUT_REG(r) "=l" (r) |
---|
| 891 | #define __CMSIS_GCC_RW_REG(r) "+l" (r) |
---|
| 892 | #define __CMSIS_GCC_USE_REG(r) "l" (r) |
---|
| 893 | #else |
---|
| 894 | #define __CMSIS_GCC_OUT_REG(r) "=r" (r) |
---|
| 895 | #define __CMSIS_GCC_RW_REG(r) "+r" (r) |
---|
| 896 | #define __CMSIS_GCC_USE_REG(r) "r" (r) |
---|
| 897 | #endif |
---|
| 898 | |
---|
| 899 | /** |
---|
| 900 | \brief No Operation |
---|
| 901 | \details No Operation does nothing. This instruction can be used for code alignment purposes. |
---|
| 902 | */ |
---|
| 903 | #define __NOP() __ASM volatile ("nop") |
---|
| 904 | |
---|
| 905 | /** |
---|
| 906 | \brief Wait For Interrupt |
---|
| 907 | \details Wait For Interrupt is a hint instruction that suspends execution until one of a number of events occurs. |
---|
| 908 | */ |
---|
| 909 | #define __WFI() __ASM volatile ("wfi") |
---|
| 910 | |
---|
| 911 | |
---|
| 912 | /** |
---|
| 913 | \brief Wait For Event |
---|
| 914 | \details Wait For Event is a hint instruction that permits the processor to enter |
---|
| 915 | a low-power state until one of a number of events occurs. |
---|
| 916 | */ |
---|
| 917 | #define __WFE() __ASM volatile ("wfe") |
---|
| 918 | |
---|
| 919 | |
---|
| 920 | /** |
---|
| 921 | \brief Send Event |
---|
| 922 | \details Send Event is a hint instruction. It causes an event to be signaled to the CPU. |
---|
| 923 | */ |
---|
| 924 | #define __SEV() __ASM volatile ("sev") |
---|
| 925 | |
---|
| 926 | |
---|
| 927 | /** |
---|
| 928 | \brief Instruction Synchronization Barrier |
---|
| 929 | \details Instruction Synchronization Barrier flushes the pipeline in the processor, |
---|
| 930 | so that all instructions following the ISB are fetched from cache or memory, |
---|
| 931 | after the instruction has been completed. |
---|
| 932 | */ |
---|
| 933 | __STATIC_FORCEINLINE void __ISB(void) |
---|
| 934 | { |
---|
| 935 | __ASM volatile ("isb 0xF":::"memory"); |
---|
| 936 | } |
---|
| 937 | |
---|
| 938 | |
---|
| 939 | /** |
---|
| 940 | \brief Data Synchronization Barrier |
---|
| 941 | \details Acts as a special kind of Data Memory Barrier. |
---|
| 942 | It completes when all explicit memory accesses before this instruction complete. |
---|
| 943 | */ |
---|
| 944 | __STATIC_FORCEINLINE void __DSB(void) |
---|
| 945 | { |
---|
| 946 | __ASM volatile ("dsb 0xF":::"memory"); |
---|
| 947 | } |
---|
| 948 | |
---|
| 949 | |
---|
| 950 | /** |
---|
| 951 | \brief Data Memory Barrier |
---|
| 952 | \details Ensures the apparent order of the explicit memory operations before |
---|
| 953 | and after the instruction, without ensuring their completion. |
---|
| 954 | */ |
---|
| 955 | __STATIC_FORCEINLINE void __DMB(void) |
---|
| 956 | { |
---|
| 957 | __ASM volatile ("dmb 0xF":::"memory"); |
---|
| 958 | } |
---|
| 959 | |
---|
| 960 | |
---|
| 961 | /** |
---|
| 962 | \brief Reverse byte order (32 bit) |
---|
| 963 | \details Reverses the byte order in unsigned integer value. For example, 0x12345678 becomes 0x78563412. |
---|
| 964 | \param [in] value Value to reverse |
---|
| 965 | \return Reversed value |
---|
| 966 | */ |
---|
| 967 | __STATIC_FORCEINLINE uint32_t __REV(uint32_t value) |
---|
| 968 | { |
---|
| 969 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5) |
---|
| 970 | return __builtin_bswap32(value); |
---|
| 971 | #else |
---|
| 972 | uint32_t result; |
---|
| 973 | |
---|
| 974 | __ASM volatile ("rev %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); |
---|
| 975 | return result; |
---|
| 976 | #endif |
---|
| 977 | } |
---|
| 978 | |
---|
| 979 | |
---|
| 980 | /** |
---|
| 981 | \brief Reverse byte order (16 bit) |
---|
| 982 | \details Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856. |
---|
| 983 | \param [in] value Value to reverse |
---|
| 984 | \return Reversed value |
---|
| 985 | */ |
---|
| 986 | __STATIC_FORCEINLINE uint32_t __REV16(uint32_t value) |
---|
| 987 | { |
---|
| 988 | uint32_t result; |
---|
| 989 | |
---|
| 990 | __ASM volatile ("rev16 %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); |
---|
| 991 | return result; |
---|
| 992 | } |
---|
| 993 | |
---|
| 994 | |
---|
| 995 | /** |
---|
| 996 | \brief Reverse byte order (16 bit) |
---|
| 997 | \details Reverses the byte order in a 16-bit value and returns the signed 16-bit result. For example, 0x0080 becomes 0x8000. |
---|
| 998 | \param [in] value Value to reverse |
---|
| 999 | \return Reversed value |
---|
| 1000 | */ |
---|
| 1001 | __STATIC_FORCEINLINE int16_t __REVSH(int16_t value) |
---|
| 1002 | { |
---|
| 1003 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
---|
| 1004 | return (int16_t)__builtin_bswap16(value); |
---|
| 1005 | #else |
---|
| 1006 | int16_t result; |
---|
| 1007 | |
---|
| 1008 | __ASM volatile ("revsh %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); |
---|
| 1009 | return result; |
---|
| 1010 | #endif |
---|
| 1011 | } |
---|
| 1012 | |
---|
| 1013 | |
---|
| 1014 | /** |
---|
| 1015 | \brief Rotate Right in unsigned value (32 bit) |
---|
| 1016 | \details Rotate Right (immediate) provides the value of the contents of a register rotated by a variable number of bits. |
---|
| 1017 | \param [in] op1 Value to rotate |
---|
| 1018 | \param [in] op2 Number of Bits to rotate |
---|
| 1019 | \return Rotated value |
---|
| 1020 | */ |
---|
| 1021 | __STATIC_FORCEINLINE uint32_t __ROR(uint32_t op1, uint32_t op2) |
---|
| 1022 | { |
---|
| 1023 | op2 %= 32U; |
---|
| 1024 | if (op2 == 0U) |
---|
| 1025 | { |
---|
| 1026 | return op1; |
---|
| 1027 | } |
---|
| 1028 | return (op1 >> op2) | (op1 << (32U - op2)); |
---|
| 1029 | } |
---|
| 1030 | |
---|
| 1031 | |
---|
| 1032 | /** |
---|
| 1033 | \brief Breakpoint |
---|
| 1034 | \details Causes the processor to enter Debug state. |
---|
| 1035 | Debug tools can use this to investigate system state when the instruction at a particular address is reached. |
---|
| 1036 | \param [in] value is ignored by the processor. |
---|
| 1037 | If required, a debugger can use it to store additional information about the breakpoint. |
---|
| 1038 | */ |
---|
| 1039 | #define __BKPT(value) __ASM volatile ("bkpt "#value) |
---|
| 1040 | |
---|
| 1041 | |
---|
| 1042 | /** |
---|
| 1043 | \brief Reverse bit order of value |
---|
| 1044 | \details Reverses the bit order of the given value. |
---|
| 1045 | \param [in] value Value to reverse |
---|
| 1046 | \return Reversed value |
---|
| 1047 | */ |
---|
| 1048 | __STATIC_FORCEINLINE uint32_t __RBIT(uint32_t value) |
---|
| 1049 | { |
---|
| 1050 | uint32_t result; |
---|
| 1051 | |
---|
| 1052 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 1053 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 1054 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) |
---|
| 1055 | __ASM volatile ("rbit %0, %1" : "=r" (result) : "r" (value) ); |
---|
| 1056 | #else |
---|
| 1057 | uint32_t s = (4U /*sizeof(v)*/ * 8U) - 1U; /* extra shift needed at end */ |
---|
| 1058 | |
---|
| 1059 | result = value; /* r will be reversed bits of v; first get LSB of v */ |
---|
| 1060 | for (value >>= 1U; value != 0U; value >>= 1U) |
---|
| 1061 | { |
---|
| 1062 | result <<= 1U; |
---|
| 1063 | result |= value & 1U; |
---|
| 1064 | s--; |
---|
| 1065 | } |
---|
| 1066 | result <<= s; /* shift when v's highest bits are zero */ |
---|
| 1067 | #endif |
---|
| 1068 | return result; |
---|
| 1069 | } |
---|
| 1070 | |
---|
| 1071 | |
---|
| 1072 | /** |
---|
| 1073 | \brief Count leading zeros |
---|
| 1074 | \details Counts the number of leading zeros of a data value. |
---|
| 1075 | \param [in] value Value to count the leading zeros |
---|
| 1076 | \return number of leading zeros in value |
---|
| 1077 | */ |
---|
| 1078 | __STATIC_FORCEINLINE uint8_t __CLZ(uint32_t value) |
---|
| 1079 | { |
---|
| 1080 | /* Even though __builtin_clz produces a CLZ instruction on ARM, formally |
---|
| 1081 | __builtin_clz(0) is undefined behaviour, so handle this case specially. |
---|
| 1082 | This guarantees ARM-compatible results if happening to compile on a non-ARM |
---|
| 1083 | target, and ensures the compiler doesn't decide to activate any |
---|
| 1084 | optimisations using the logic "value was passed to __builtin_clz, so it |
---|
| 1085 | is non-zero". |
---|
| 1086 | ARM GCC 7.3 and possibly earlier will optimise this test away, leaving a |
---|
| 1087 | single CLZ instruction. |
---|
| 1088 | */ |
---|
| 1089 | if (value == 0U) |
---|
| 1090 | { |
---|
| 1091 | return 32U; |
---|
| 1092 | } |
---|
| 1093 | return __builtin_clz(value); |
---|
| 1094 | } |
---|
| 1095 | |
---|
| 1096 | |
---|
| 1097 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 1098 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 1099 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1100 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) |
---|
| 1101 | /** |
---|
| 1102 | \brief LDR Exclusive (8 bit) |
---|
| 1103 | \details Executes a exclusive LDR instruction for 8 bit value. |
---|
| 1104 | \param [in] ptr Pointer to data |
---|
| 1105 | \return value of type uint8_t at (*ptr) |
---|
| 1106 | */ |
---|
| 1107 | __STATIC_FORCEINLINE uint8_t __LDREXB(volatile uint8_t *addr) |
---|
| 1108 | { |
---|
| 1109 | uint32_t result; |
---|
| 1110 | |
---|
| 1111 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
---|
| 1112 | __ASM volatile ("ldrexb %0, %1" : "=r" (result) : "Q" (*addr) ); |
---|
| 1113 | #else |
---|
| 1114 | /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not |
---|
| 1115 | accepted by assembler. So has to use following less efficient pattern. |
---|
| 1116 | */ |
---|
| 1117 | __ASM volatile ("ldrexb %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); |
---|
| 1118 | #endif |
---|
| 1119 | return ((uint8_t) result); /* Add explicit type cast here */ |
---|
| 1120 | } |
---|
| 1121 | |
---|
| 1122 | |
---|
| 1123 | /** |
---|
| 1124 | \brief LDR Exclusive (16 bit) |
---|
| 1125 | \details Executes a exclusive LDR instruction for 16 bit values. |
---|
| 1126 | \param [in] ptr Pointer to data |
---|
| 1127 | \return value of type uint16_t at (*ptr) |
---|
| 1128 | */ |
---|
| 1129 | __STATIC_FORCEINLINE uint16_t __LDREXH(volatile uint16_t *addr) |
---|
| 1130 | { |
---|
| 1131 | uint32_t result; |
---|
| 1132 | |
---|
| 1133 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
---|
| 1134 | __ASM volatile ("ldrexh %0, %1" : "=r" (result) : "Q" (*addr) ); |
---|
| 1135 | #else |
---|
| 1136 | /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not |
---|
| 1137 | accepted by assembler. So has to use following less efficient pattern. |
---|
| 1138 | */ |
---|
| 1139 | __ASM volatile ("ldrexh %0, [%1]" : "=r" (result) : "r" (addr) : "memory" ); |
---|
| 1140 | #endif |
---|
| 1141 | return ((uint16_t) result); /* Add explicit type cast here */ |
---|
| 1142 | } |
---|
| 1143 | |
---|
| 1144 | |
---|
| 1145 | /** |
---|
| 1146 | \brief LDR Exclusive (32 bit) |
---|
| 1147 | \details Executes a exclusive LDR instruction for 32 bit values. |
---|
| 1148 | \param [in] ptr Pointer to data |
---|
| 1149 | \return value of type uint32_t at (*ptr) |
---|
| 1150 | */ |
---|
| 1151 | __STATIC_FORCEINLINE uint32_t __LDREXW(volatile uint32_t *addr) |
---|
| 1152 | { |
---|
| 1153 | uint32_t result; |
---|
| 1154 | |
---|
| 1155 | __ASM volatile ("ldrex %0, %1" : "=r" (result) : "Q" (*addr) ); |
---|
| 1156 | return(result); |
---|
| 1157 | } |
---|
| 1158 | |
---|
| 1159 | |
---|
| 1160 | /** |
---|
| 1161 | \brief STR Exclusive (8 bit) |
---|
| 1162 | \details Executes a exclusive STR instruction for 8 bit values. |
---|
| 1163 | \param [in] value Value to store |
---|
| 1164 | \param [in] ptr Pointer to location |
---|
| 1165 | \return 0 Function succeeded |
---|
| 1166 | \return 1 Function failed |
---|
| 1167 | */ |
---|
| 1168 | __STATIC_FORCEINLINE uint32_t __STREXB(uint8_t value, volatile uint8_t *addr) |
---|
| 1169 | { |
---|
| 1170 | uint32_t result; |
---|
| 1171 | |
---|
| 1172 | __ASM volatile ("strexb %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); |
---|
| 1173 | return(result); |
---|
| 1174 | } |
---|
| 1175 | |
---|
| 1176 | |
---|
| 1177 | /** |
---|
| 1178 | \brief STR Exclusive (16 bit) |
---|
| 1179 | \details Executes a exclusive STR instruction for 16 bit values. |
---|
| 1180 | \param [in] value Value to store |
---|
| 1181 | \param [in] ptr Pointer to location |
---|
| 1182 | \return 0 Function succeeded |
---|
| 1183 | \return 1 Function failed |
---|
| 1184 | */ |
---|
| 1185 | __STATIC_FORCEINLINE uint32_t __STREXH(uint16_t value, volatile uint16_t *addr) |
---|
| 1186 | { |
---|
| 1187 | uint32_t result; |
---|
| 1188 | |
---|
| 1189 | __ASM volatile ("strexh %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" ((uint32_t)value) ); |
---|
| 1190 | return(result); |
---|
| 1191 | } |
---|
| 1192 | |
---|
| 1193 | |
---|
| 1194 | /** |
---|
| 1195 | \brief STR Exclusive (32 bit) |
---|
| 1196 | \details Executes a exclusive STR instruction for 32 bit values. |
---|
| 1197 | \param [in] value Value to store |
---|
| 1198 | \param [in] ptr Pointer to location |
---|
| 1199 | \return 0 Function succeeded |
---|
| 1200 | \return 1 Function failed |
---|
| 1201 | */ |
---|
| 1202 | __STATIC_FORCEINLINE uint32_t __STREXW(uint32_t value, volatile uint32_t *addr) |
---|
| 1203 | { |
---|
| 1204 | uint32_t result; |
---|
| 1205 | |
---|
| 1206 | __ASM volatile ("strex %0, %2, %1" : "=&r" (result), "=Q" (*addr) : "r" (value) ); |
---|
| 1207 | return(result); |
---|
| 1208 | } |
---|
| 1209 | |
---|
| 1210 | |
---|
| 1211 | /** |
---|
| 1212 | \brief Remove the exclusive lock |
---|
| 1213 | \details Removes the exclusive lock which is created by LDREX. |
---|
| 1214 | */ |
---|
| 1215 | __STATIC_FORCEINLINE void __CLREX(void) |
---|
| 1216 | { |
---|
| 1217 | __ASM volatile ("clrex" ::: "memory"); |
---|
| 1218 | } |
---|
| 1219 | |
---|
| 1220 | #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 1221 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 1222 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1223 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */ |
---|
| 1224 | |
---|
| 1225 | |
---|
| 1226 | #if ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 1227 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 1228 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) |
---|
| 1229 | /** |
---|
| 1230 | \brief Signed Saturate |
---|
| 1231 | \details Saturates a signed value. |
---|
| 1232 | \param [in] ARG1 Value to be saturated |
---|
| 1233 | \param [in] ARG2 Bit position to saturate to (1..32) |
---|
| 1234 | \return Saturated value |
---|
| 1235 | */ |
---|
| 1236 | #define __SSAT(ARG1,ARG2) \ |
---|
| 1237 | __extension__ \ |
---|
| 1238 | ({ \ |
---|
| 1239 | int32_t __RES, __ARG1 = (ARG1); \ |
---|
| 1240 | __ASM ("ssat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ |
---|
| 1241 | __RES; \ |
---|
| 1242 | }) |
---|
| 1243 | |
---|
| 1244 | |
---|
| 1245 | /** |
---|
| 1246 | \brief Unsigned Saturate |
---|
| 1247 | \details Saturates an unsigned value. |
---|
| 1248 | \param [in] ARG1 Value to be saturated |
---|
| 1249 | \param [in] ARG2 Bit position to saturate to (0..31) |
---|
| 1250 | \return Saturated value |
---|
| 1251 | */ |
---|
| 1252 | #define __USAT(ARG1,ARG2) \ |
---|
| 1253 | __extension__ \ |
---|
| 1254 | ({ \ |
---|
| 1255 | uint32_t __RES, __ARG1 = (ARG1); \ |
---|
| 1256 | __ASM ("usat %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ |
---|
| 1257 | __RES; \ |
---|
| 1258 | }) |
---|
| 1259 | |
---|
| 1260 | |
---|
| 1261 | /** |
---|
| 1262 | \brief Rotate Right with Extend (32 bit) |
---|
| 1263 | \details Moves each bit of a bitstring right by one bit. |
---|
| 1264 | The carry input is shifted in at the left end of the bitstring. |
---|
| 1265 | \param [in] value Value to rotate |
---|
| 1266 | \return Rotated value |
---|
| 1267 | */ |
---|
| 1268 | __STATIC_FORCEINLINE uint32_t __RRX(uint32_t value) |
---|
| 1269 | { |
---|
| 1270 | uint32_t result; |
---|
| 1271 | |
---|
| 1272 | __ASM volatile ("rrx %0, %1" : __CMSIS_GCC_OUT_REG (result) : __CMSIS_GCC_USE_REG (value) ); |
---|
| 1273 | return(result); |
---|
| 1274 | } |
---|
| 1275 | |
---|
| 1276 | |
---|
| 1277 | /** |
---|
| 1278 | \brief LDRT Unprivileged (8 bit) |
---|
| 1279 | \details Executes a Unprivileged LDRT instruction for 8 bit value. |
---|
| 1280 | \param [in] ptr Pointer to data |
---|
| 1281 | \return value of type uint8_t at (*ptr) |
---|
| 1282 | */ |
---|
| 1283 | __STATIC_FORCEINLINE uint8_t __LDRBT(volatile uint8_t *ptr) |
---|
| 1284 | { |
---|
| 1285 | uint32_t result; |
---|
| 1286 | |
---|
| 1287 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
---|
| 1288 | __ASM volatile ("ldrbt %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 1289 | #else |
---|
| 1290 | /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not |
---|
| 1291 | accepted by assembler. So has to use following less efficient pattern. |
---|
| 1292 | */ |
---|
| 1293 | __ASM volatile ("ldrbt %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" ); |
---|
| 1294 | #endif |
---|
| 1295 | return ((uint8_t) result); /* Add explicit type cast here */ |
---|
| 1296 | } |
---|
| 1297 | |
---|
| 1298 | |
---|
| 1299 | /** |
---|
| 1300 | \brief LDRT Unprivileged (16 bit) |
---|
| 1301 | \details Executes a Unprivileged LDRT instruction for 16 bit values. |
---|
| 1302 | \param [in] ptr Pointer to data |
---|
| 1303 | \return value of type uint16_t at (*ptr) |
---|
| 1304 | */ |
---|
| 1305 | __STATIC_FORCEINLINE uint16_t __LDRHT(volatile uint16_t *ptr) |
---|
| 1306 | { |
---|
| 1307 | uint32_t result; |
---|
| 1308 | |
---|
| 1309 | #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8) |
---|
| 1310 | __ASM volatile ("ldrht %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 1311 | #else |
---|
| 1312 | /* Prior to GCC 4.8, "Q" will be expanded to [rx, #0] which is not |
---|
| 1313 | accepted by assembler. So has to use following less efficient pattern. |
---|
| 1314 | */ |
---|
| 1315 | __ASM volatile ("ldrht %0, [%1]" : "=r" (result) : "r" (ptr) : "memory" ); |
---|
| 1316 | #endif |
---|
| 1317 | return ((uint16_t) result); /* Add explicit type cast here */ |
---|
| 1318 | } |
---|
| 1319 | |
---|
| 1320 | |
---|
| 1321 | /** |
---|
| 1322 | \brief LDRT Unprivileged (32 bit) |
---|
| 1323 | \details Executes a Unprivileged LDRT instruction for 32 bit values. |
---|
| 1324 | \param [in] ptr Pointer to data |
---|
| 1325 | \return value of type uint32_t at (*ptr) |
---|
| 1326 | */ |
---|
| 1327 | __STATIC_FORCEINLINE uint32_t __LDRT(volatile uint32_t *ptr) |
---|
| 1328 | { |
---|
| 1329 | uint32_t result; |
---|
| 1330 | |
---|
| 1331 | __ASM volatile ("ldrt %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 1332 | return(result); |
---|
| 1333 | } |
---|
| 1334 | |
---|
| 1335 | |
---|
| 1336 | /** |
---|
| 1337 | \brief STRT Unprivileged (8 bit) |
---|
| 1338 | \details Executes a Unprivileged STRT instruction for 8 bit values. |
---|
| 1339 | \param [in] value Value to store |
---|
| 1340 | \param [in] ptr Pointer to location |
---|
| 1341 | */ |
---|
| 1342 | __STATIC_FORCEINLINE void __STRBT(uint8_t value, volatile uint8_t *ptr) |
---|
| 1343 | { |
---|
| 1344 | __ASM volatile ("strbt %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 1345 | } |
---|
| 1346 | |
---|
| 1347 | |
---|
| 1348 | /** |
---|
| 1349 | \brief STRT Unprivileged (16 bit) |
---|
| 1350 | \details Executes a Unprivileged STRT instruction for 16 bit values. |
---|
| 1351 | \param [in] value Value to store |
---|
| 1352 | \param [in] ptr Pointer to location |
---|
| 1353 | */ |
---|
| 1354 | __STATIC_FORCEINLINE void __STRHT(uint16_t value, volatile uint16_t *ptr) |
---|
| 1355 | { |
---|
| 1356 | __ASM volatile ("strht %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 1357 | } |
---|
| 1358 | |
---|
| 1359 | |
---|
| 1360 | /** |
---|
| 1361 | \brief STRT Unprivileged (32 bit) |
---|
| 1362 | \details Executes a Unprivileged STRT instruction for 32 bit values. |
---|
| 1363 | \param [in] value Value to store |
---|
| 1364 | \param [in] ptr Pointer to location |
---|
| 1365 | */ |
---|
| 1366 | __STATIC_FORCEINLINE void __STRT(uint32_t value, volatile uint32_t *ptr) |
---|
| 1367 | { |
---|
| 1368 | __ASM volatile ("strt %1, %0" : "=Q" (*ptr) : "r" (value) ); |
---|
| 1369 | } |
---|
| 1370 | |
---|
| 1371 | #else /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 1372 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 1373 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */ |
---|
| 1374 | |
---|
| 1375 | /** |
---|
| 1376 | \brief Signed Saturate |
---|
| 1377 | \details Saturates a signed value. |
---|
| 1378 | \param [in] value Value to be saturated |
---|
| 1379 | \param [in] sat Bit position to saturate to (1..32) |
---|
| 1380 | \return Saturated value |
---|
| 1381 | */ |
---|
| 1382 | __STATIC_FORCEINLINE int32_t __SSAT(int32_t val, uint32_t sat) |
---|
| 1383 | { |
---|
| 1384 | if ((sat >= 1U) && (sat <= 32U)) |
---|
| 1385 | { |
---|
| 1386 | const int32_t max = (int32_t)((1U << (sat - 1U)) - 1U); |
---|
| 1387 | const int32_t min = -1 - max ; |
---|
| 1388 | if (val > max) |
---|
| 1389 | { |
---|
| 1390 | return max; |
---|
| 1391 | } |
---|
| 1392 | else if (val < min) |
---|
| 1393 | { |
---|
| 1394 | return min; |
---|
| 1395 | } |
---|
| 1396 | } |
---|
| 1397 | return val; |
---|
| 1398 | } |
---|
| 1399 | |
---|
| 1400 | /** |
---|
| 1401 | \brief Unsigned Saturate |
---|
| 1402 | \details Saturates an unsigned value. |
---|
| 1403 | \param [in] value Value to be saturated |
---|
| 1404 | \param [in] sat Bit position to saturate to (0..31) |
---|
| 1405 | \return Saturated value |
---|
| 1406 | */ |
---|
| 1407 | __STATIC_FORCEINLINE uint32_t __USAT(int32_t val, uint32_t sat) |
---|
| 1408 | { |
---|
| 1409 | if (sat <= 31U) |
---|
| 1410 | { |
---|
| 1411 | const uint32_t max = ((1U << sat) - 1U); |
---|
| 1412 | if (val > (int32_t)max) |
---|
| 1413 | { |
---|
| 1414 | return max; |
---|
| 1415 | } |
---|
| 1416 | else if (val < 0) |
---|
| 1417 | { |
---|
| 1418 | return 0U; |
---|
| 1419 | } |
---|
| 1420 | } |
---|
| 1421 | return (uint32_t)val; |
---|
| 1422 | } |
---|
| 1423 | |
---|
| 1424 | #endif /* ((defined (__ARM_ARCH_7M__ ) && (__ARM_ARCH_7M__ == 1)) || \ |
---|
| 1425 | (defined (__ARM_ARCH_7EM__ ) && (__ARM_ARCH_7EM__ == 1)) || \ |
---|
| 1426 | (defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) ) */ |
---|
| 1427 | |
---|
| 1428 | |
---|
| 1429 | #if ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1430 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) |
---|
| 1431 | /** |
---|
| 1432 | \brief Load-Acquire (8 bit) |
---|
| 1433 | \details Executes a LDAB instruction for 8 bit value. |
---|
| 1434 | \param [in] ptr Pointer to data |
---|
| 1435 | \return value of type uint8_t at (*ptr) |
---|
| 1436 | */ |
---|
| 1437 | __STATIC_FORCEINLINE uint8_t __LDAB(volatile uint8_t *ptr) |
---|
| 1438 | { |
---|
| 1439 | uint32_t result; |
---|
| 1440 | |
---|
| 1441 | __ASM volatile ("ldab %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 1442 | return ((uint8_t) result); |
---|
| 1443 | } |
---|
| 1444 | |
---|
| 1445 | |
---|
| 1446 | /** |
---|
| 1447 | \brief Load-Acquire (16 bit) |
---|
| 1448 | \details Executes a LDAH instruction for 16 bit values. |
---|
| 1449 | \param [in] ptr Pointer to data |
---|
| 1450 | \return value of type uint16_t at (*ptr) |
---|
| 1451 | */ |
---|
| 1452 | __STATIC_FORCEINLINE uint16_t __LDAH(volatile uint16_t *ptr) |
---|
| 1453 | { |
---|
| 1454 | uint32_t result; |
---|
| 1455 | |
---|
| 1456 | __ASM volatile ("ldah %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 1457 | return ((uint16_t) result); |
---|
| 1458 | } |
---|
| 1459 | |
---|
| 1460 | |
---|
| 1461 | /** |
---|
| 1462 | \brief Load-Acquire (32 bit) |
---|
| 1463 | \details Executes a LDA instruction for 32 bit values. |
---|
| 1464 | \param [in] ptr Pointer to data |
---|
| 1465 | \return value of type uint32_t at (*ptr) |
---|
| 1466 | */ |
---|
| 1467 | __STATIC_FORCEINLINE uint32_t __LDA(volatile uint32_t *ptr) |
---|
| 1468 | { |
---|
| 1469 | uint32_t result; |
---|
| 1470 | |
---|
| 1471 | __ASM volatile ("lda %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 1472 | return(result); |
---|
| 1473 | } |
---|
| 1474 | |
---|
| 1475 | |
---|
| 1476 | /** |
---|
| 1477 | \brief Store-Release (8 bit) |
---|
| 1478 | \details Executes a STLB instruction for 8 bit values. |
---|
| 1479 | \param [in] value Value to store |
---|
| 1480 | \param [in] ptr Pointer to location |
---|
| 1481 | */ |
---|
| 1482 | __STATIC_FORCEINLINE void __STLB(uint8_t value, volatile uint8_t *ptr) |
---|
| 1483 | { |
---|
| 1484 | __ASM volatile ("stlb %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 1485 | } |
---|
| 1486 | |
---|
| 1487 | |
---|
| 1488 | /** |
---|
| 1489 | \brief Store-Release (16 bit) |
---|
| 1490 | \details Executes a STLH instruction for 16 bit values. |
---|
| 1491 | \param [in] value Value to store |
---|
| 1492 | \param [in] ptr Pointer to location |
---|
| 1493 | */ |
---|
| 1494 | __STATIC_FORCEINLINE void __STLH(uint16_t value, volatile uint16_t *ptr) |
---|
| 1495 | { |
---|
| 1496 | __ASM volatile ("stlh %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 1497 | } |
---|
| 1498 | |
---|
| 1499 | |
---|
| 1500 | /** |
---|
| 1501 | \brief Store-Release (32 bit) |
---|
| 1502 | \details Executes a STL instruction for 32 bit values. |
---|
| 1503 | \param [in] value Value to store |
---|
| 1504 | \param [in] ptr Pointer to location |
---|
| 1505 | */ |
---|
| 1506 | __STATIC_FORCEINLINE void __STL(uint32_t value, volatile uint32_t *ptr) |
---|
| 1507 | { |
---|
| 1508 | __ASM volatile ("stl %1, %0" : "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 1509 | } |
---|
| 1510 | |
---|
| 1511 | |
---|
| 1512 | /** |
---|
| 1513 | \brief Load-Acquire Exclusive (8 bit) |
---|
| 1514 | \details Executes a LDAB exclusive instruction for 8 bit value. |
---|
| 1515 | \param [in] ptr Pointer to data |
---|
| 1516 | \return value of type uint8_t at (*ptr) |
---|
| 1517 | */ |
---|
| 1518 | __STATIC_FORCEINLINE uint8_t __LDAEXB(volatile uint8_t *ptr) |
---|
| 1519 | { |
---|
| 1520 | uint32_t result; |
---|
| 1521 | |
---|
| 1522 | __ASM volatile ("ldaexb %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 1523 | return ((uint8_t) result); |
---|
| 1524 | } |
---|
| 1525 | |
---|
| 1526 | |
---|
| 1527 | /** |
---|
| 1528 | \brief Load-Acquire Exclusive (16 bit) |
---|
| 1529 | \details Executes a LDAH exclusive instruction for 16 bit values. |
---|
| 1530 | \param [in] ptr Pointer to data |
---|
| 1531 | \return value of type uint16_t at (*ptr) |
---|
| 1532 | */ |
---|
| 1533 | __STATIC_FORCEINLINE uint16_t __LDAEXH(volatile uint16_t *ptr) |
---|
| 1534 | { |
---|
| 1535 | uint32_t result; |
---|
| 1536 | |
---|
| 1537 | __ASM volatile ("ldaexh %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 1538 | return ((uint16_t) result); |
---|
| 1539 | } |
---|
| 1540 | |
---|
| 1541 | |
---|
| 1542 | /** |
---|
| 1543 | \brief Load-Acquire Exclusive (32 bit) |
---|
| 1544 | \details Executes a LDA exclusive instruction for 32 bit values. |
---|
| 1545 | \param [in] ptr Pointer to data |
---|
| 1546 | \return value of type uint32_t at (*ptr) |
---|
| 1547 | */ |
---|
| 1548 | __STATIC_FORCEINLINE uint32_t __LDAEX(volatile uint32_t *ptr) |
---|
| 1549 | { |
---|
| 1550 | uint32_t result; |
---|
| 1551 | |
---|
| 1552 | __ASM volatile ("ldaex %0, %1" : "=r" (result) : "Q" (*ptr) ); |
---|
| 1553 | return(result); |
---|
| 1554 | } |
---|
| 1555 | |
---|
| 1556 | |
---|
| 1557 | /** |
---|
| 1558 | \brief Store-Release Exclusive (8 bit) |
---|
| 1559 | \details Executes a STLB exclusive instruction for 8 bit values. |
---|
| 1560 | \param [in] value Value to store |
---|
| 1561 | \param [in] ptr Pointer to location |
---|
| 1562 | \return 0 Function succeeded |
---|
| 1563 | \return 1 Function failed |
---|
| 1564 | */ |
---|
| 1565 | __STATIC_FORCEINLINE uint32_t __STLEXB(uint8_t value, volatile uint8_t *ptr) |
---|
| 1566 | { |
---|
| 1567 | uint32_t result; |
---|
| 1568 | |
---|
| 1569 | __ASM volatile ("stlexb %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 1570 | return(result); |
---|
| 1571 | } |
---|
| 1572 | |
---|
| 1573 | |
---|
| 1574 | /** |
---|
| 1575 | \brief Store-Release Exclusive (16 bit) |
---|
| 1576 | \details Executes a STLH exclusive instruction for 16 bit values. |
---|
| 1577 | \param [in] value Value to store |
---|
| 1578 | \param [in] ptr Pointer to location |
---|
| 1579 | \return 0 Function succeeded |
---|
| 1580 | \return 1 Function failed |
---|
| 1581 | */ |
---|
| 1582 | __STATIC_FORCEINLINE uint32_t __STLEXH(uint16_t value, volatile uint16_t *ptr) |
---|
| 1583 | { |
---|
| 1584 | uint32_t result; |
---|
| 1585 | |
---|
| 1586 | __ASM volatile ("stlexh %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 1587 | return(result); |
---|
| 1588 | } |
---|
| 1589 | |
---|
| 1590 | |
---|
| 1591 | /** |
---|
| 1592 | \brief Store-Release Exclusive (32 bit) |
---|
| 1593 | \details Executes a STL exclusive instruction for 32 bit values. |
---|
| 1594 | \param [in] value Value to store |
---|
| 1595 | \param [in] ptr Pointer to location |
---|
| 1596 | \return 0 Function succeeded |
---|
| 1597 | \return 1 Function failed |
---|
| 1598 | */ |
---|
| 1599 | __STATIC_FORCEINLINE uint32_t __STLEX(uint32_t value, volatile uint32_t *ptr) |
---|
| 1600 | { |
---|
| 1601 | uint32_t result; |
---|
| 1602 | |
---|
| 1603 | __ASM volatile ("stlex %0, %2, %1" : "=&r" (result), "=Q" (*ptr) : "r" ((uint32_t)value) ); |
---|
| 1604 | return(result); |
---|
| 1605 | } |
---|
| 1606 | |
---|
| 1607 | #endif /* ((defined (__ARM_ARCH_8M_MAIN__ ) && (__ARM_ARCH_8M_MAIN__ == 1)) || \ |
---|
| 1608 | (defined (__ARM_ARCH_8M_BASE__ ) && (__ARM_ARCH_8M_BASE__ == 1)) ) */ |
---|
| 1609 | |
---|
| 1610 | /*@}*/ /* end of group CMSIS_Core_InstructionInterface */ |
---|
| 1611 | |
---|
| 1612 | |
---|
| 1613 | /* ################### Compiler specific Intrinsics ########################### */ |
---|
| 1614 | /** \defgroup CMSIS_SIMD_intrinsics CMSIS SIMD Intrinsics |
---|
| 1615 | Access to dedicated SIMD instructions |
---|
| 1616 | @{ |
---|
| 1617 | */ |
---|
| 1618 | |
---|
| 1619 | #if (defined (__ARM_FEATURE_DSP) && (__ARM_FEATURE_DSP == 1)) |
---|
| 1620 | |
---|
| 1621 | __STATIC_FORCEINLINE uint32_t __SADD8(uint32_t op1, uint32_t op2) |
---|
| 1622 | { |
---|
| 1623 | uint32_t result; |
---|
| 1624 | |
---|
| 1625 | __ASM volatile ("sadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1626 | return(result); |
---|
| 1627 | } |
---|
| 1628 | |
---|
| 1629 | __STATIC_FORCEINLINE uint32_t __QADD8(uint32_t op1, uint32_t op2) |
---|
| 1630 | { |
---|
| 1631 | uint32_t result; |
---|
| 1632 | |
---|
| 1633 | __ASM volatile ("qadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1634 | return(result); |
---|
| 1635 | } |
---|
| 1636 | |
---|
| 1637 | __STATIC_FORCEINLINE uint32_t __SHADD8(uint32_t op1, uint32_t op2) |
---|
| 1638 | { |
---|
| 1639 | uint32_t result; |
---|
| 1640 | |
---|
| 1641 | __ASM volatile ("shadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1642 | return(result); |
---|
| 1643 | } |
---|
| 1644 | |
---|
| 1645 | __STATIC_FORCEINLINE uint32_t __UADD8(uint32_t op1, uint32_t op2) |
---|
| 1646 | { |
---|
| 1647 | uint32_t result; |
---|
| 1648 | |
---|
| 1649 | __ASM volatile ("uadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1650 | return(result); |
---|
| 1651 | } |
---|
| 1652 | |
---|
| 1653 | __STATIC_FORCEINLINE uint32_t __UQADD8(uint32_t op1, uint32_t op2) |
---|
| 1654 | { |
---|
| 1655 | uint32_t result; |
---|
| 1656 | |
---|
| 1657 | __ASM volatile ("uqadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1658 | return(result); |
---|
| 1659 | } |
---|
| 1660 | |
---|
| 1661 | __STATIC_FORCEINLINE uint32_t __UHADD8(uint32_t op1, uint32_t op2) |
---|
| 1662 | { |
---|
| 1663 | uint32_t result; |
---|
| 1664 | |
---|
| 1665 | __ASM volatile ("uhadd8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1666 | return(result); |
---|
| 1667 | } |
---|
| 1668 | |
---|
| 1669 | |
---|
| 1670 | __STATIC_FORCEINLINE uint32_t __SSUB8(uint32_t op1, uint32_t op2) |
---|
| 1671 | { |
---|
| 1672 | uint32_t result; |
---|
| 1673 | |
---|
| 1674 | __ASM volatile ("ssub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1675 | return(result); |
---|
| 1676 | } |
---|
| 1677 | |
---|
| 1678 | __STATIC_FORCEINLINE uint32_t __QSUB8(uint32_t op1, uint32_t op2) |
---|
| 1679 | { |
---|
| 1680 | uint32_t result; |
---|
| 1681 | |
---|
| 1682 | __ASM volatile ("qsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1683 | return(result); |
---|
| 1684 | } |
---|
| 1685 | |
---|
| 1686 | __STATIC_FORCEINLINE uint32_t __SHSUB8(uint32_t op1, uint32_t op2) |
---|
| 1687 | { |
---|
| 1688 | uint32_t result; |
---|
| 1689 | |
---|
| 1690 | __ASM volatile ("shsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1691 | return(result); |
---|
| 1692 | } |
---|
| 1693 | |
---|
| 1694 | __STATIC_FORCEINLINE uint32_t __USUB8(uint32_t op1, uint32_t op2) |
---|
| 1695 | { |
---|
| 1696 | uint32_t result; |
---|
| 1697 | |
---|
| 1698 | __ASM volatile ("usub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1699 | return(result); |
---|
| 1700 | } |
---|
| 1701 | |
---|
| 1702 | __STATIC_FORCEINLINE uint32_t __UQSUB8(uint32_t op1, uint32_t op2) |
---|
| 1703 | { |
---|
| 1704 | uint32_t result; |
---|
| 1705 | |
---|
| 1706 | __ASM volatile ("uqsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1707 | return(result); |
---|
| 1708 | } |
---|
| 1709 | |
---|
| 1710 | __STATIC_FORCEINLINE uint32_t __UHSUB8(uint32_t op1, uint32_t op2) |
---|
| 1711 | { |
---|
| 1712 | uint32_t result; |
---|
| 1713 | |
---|
| 1714 | __ASM volatile ("uhsub8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1715 | return(result); |
---|
| 1716 | } |
---|
| 1717 | |
---|
| 1718 | |
---|
| 1719 | __STATIC_FORCEINLINE uint32_t __SADD16(uint32_t op1, uint32_t op2) |
---|
| 1720 | { |
---|
| 1721 | uint32_t result; |
---|
| 1722 | |
---|
| 1723 | __ASM volatile ("sadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1724 | return(result); |
---|
| 1725 | } |
---|
| 1726 | |
---|
| 1727 | __STATIC_FORCEINLINE uint32_t __QADD16(uint32_t op1, uint32_t op2) |
---|
| 1728 | { |
---|
| 1729 | uint32_t result; |
---|
| 1730 | |
---|
| 1731 | __ASM volatile ("qadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1732 | return(result); |
---|
| 1733 | } |
---|
| 1734 | |
---|
| 1735 | __STATIC_FORCEINLINE uint32_t __SHADD16(uint32_t op1, uint32_t op2) |
---|
| 1736 | { |
---|
| 1737 | uint32_t result; |
---|
| 1738 | |
---|
| 1739 | __ASM volatile ("shadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1740 | return(result); |
---|
| 1741 | } |
---|
| 1742 | |
---|
| 1743 | __STATIC_FORCEINLINE uint32_t __UADD16(uint32_t op1, uint32_t op2) |
---|
| 1744 | { |
---|
| 1745 | uint32_t result; |
---|
| 1746 | |
---|
| 1747 | __ASM volatile ("uadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1748 | return(result); |
---|
| 1749 | } |
---|
| 1750 | |
---|
| 1751 | __STATIC_FORCEINLINE uint32_t __UQADD16(uint32_t op1, uint32_t op2) |
---|
| 1752 | { |
---|
| 1753 | uint32_t result; |
---|
| 1754 | |
---|
| 1755 | __ASM volatile ("uqadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1756 | return(result); |
---|
| 1757 | } |
---|
| 1758 | |
---|
| 1759 | __STATIC_FORCEINLINE uint32_t __UHADD16(uint32_t op1, uint32_t op2) |
---|
| 1760 | { |
---|
| 1761 | uint32_t result; |
---|
| 1762 | |
---|
| 1763 | __ASM volatile ("uhadd16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1764 | return(result); |
---|
| 1765 | } |
---|
| 1766 | |
---|
| 1767 | __STATIC_FORCEINLINE uint32_t __SSUB16(uint32_t op1, uint32_t op2) |
---|
| 1768 | { |
---|
| 1769 | uint32_t result; |
---|
| 1770 | |
---|
| 1771 | __ASM volatile ("ssub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1772 | return(result); |
---|
| 1773 | } |
---|
| 1774 | |
---|
| 1775 | __STATIC_FORCEINLINE uint32_t __QSUB16(uint32_t op1, uint32_t op2) |
---|
| 1776 | { |
---|
| 1777 | uint32_t result; |
---|
| 1778 | |
---|
| 1779 | __ASM volatile ("qsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1780 | return(result); |
---|
| 1781 | } |
---|
| 1782 | |
---|
| 1783 | __STATIC_FORCEINLINE uint32_t __SHSUB16(uint32_t op1, uint32_t op2) |
---|
| 1784 | { |
---|
| 1785 | uint32_t result; |
---|
| 1786 | |
---|
| 1787 | __ASM volatile ("shsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1788 | return(result); |
---|
| 1789 | } |
---|
| 1790 | |
---|
| 1791 | __STATIC_FORCEINLINE uint32_t __USUB16(uint32_t op1, uint32_t op2) |
---|
| 1792 | { |
---|
| 1793 | uint32_t result; |
---|
| 1794 | |
---|
| 1795 | __ASM volatile ("usub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1796 | return(result); |
---|
| 1797 | } |
---|
| 1798 | |
---|
| 1799 | __STATIC_FORCEINLINE uint32_t __UQSUB16(uint32_t op1, uint32_t op2) |
---|
| 1800 | { |
---|
| 1801 | uint32_t result; |
---|
| 1802 | |
---|
| 1803 | __ASM volatile ("uqsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1804 | return(result); |
---|
| 1805 | } |
---|
| 1806 | |
---|
| 1807 | __STATIC_FORCEINLINE uint32_t __UHSUB16(uint32_t op1, uint32_t op2) |
---|
| 1808 | { |
---|
| 1809 | uint32_t result; |
---|
| 1810 | |
---|
| 1811 | __ASM volatile ("uhsub16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1812 | return(result); |
---|
| 1813 | } |
---|
| 1814 | |
---|
| 1815 | __STATIC_FORCEINLINE uint32_t __SASX(uint32_t op1, uint32_t op2) |
---|
| 1816 | { |
---|
| 1817 | uint32_t result; |
---|
| 1818 | |
---|
| 1819 | __ASM volatile ("sasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1820 | return(result); |
---|
| 1821 | } |
---|
| 1822 | |
---|
| 1823 | __STATIC_FORCEINLINE uint32_t __QASX(uint32_t op1, uint32_t op2) |
---|
| 1824 | { |
---|
| 1825 | uint32_t result; |
---|
| 1826 | |
---|
| 1827 | __ASM volatile ("qasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1828 | return(result); |
---|
| 1829 | } |
---|
| 1830 | |
---|
| 1831 | __STATIC_FORCEINLINE uint32_t __SHASX(uint32_t op1, uint32_t op2) |
---|
| 1832 | { |
---|
| 1833 | uint32_t result; |
---|
| 1834 | |
---|
| 1835 | __ASM volatile ("shasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1836 | return(result); |
---|
| 1837 | } |
---|
| 1838 | |
---|
| 1839 | __STATIC_FORCEINLINE uint32_t __UASX(uint32_t op1, uint32_t op2) |
---|
| 1840 | { |
---|
| 1841 | uint32_t result; |
---|
| 1842 | |
---|
| 1843 | __ASM volatile ("uasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1844 | return(result); |
---|
| 1845 | } |
---|
| 1846 | |
---|
| 1847 | __STATIC_FORCEINLINE uint32_t __UQASX(uint32_t op1, uint32_t op2) |
---|
| 1848 | { |
---|
| 1849 | uint32_t result; |
---|
| 1850 | |
---|
| 1851 | __ASM volatile ("uqasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1852 | return(result); |
---|
| 1853 | } |
---|
| 1854 | |
---|
| 1855 | __STATIC_FORCEINLINE uint32_t __UHASX(uint32_t op1, uint32_t op2) |
---|
| 1856 | { |
---|
| 1857 | uint32_t result; |
---|
| 1858 | |
---|
| 1859 | __ASM volatile ("uhasx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1860 | return(result); |
---|
| 1861 | } |
---|
| 1862 | |
---|
| 1863 | __STATIC_FORCEINLINE uint32_t __SSAX(uint32_t op1, uint32_t op2) |
---|
| 1864 | { |
---|
| 1865 | uint32_t result; |
---|
| 1866 | |
---|
| 1867 | __ASM volatile ("ssax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1868 | return(result); |
---|
| 1869 | } |
---|
| 1870 | |
---|
| 1871 | __STATIC_FORCEINLINE uint32_t __QSAX(uint32_t op1, uint32_t op2) |
---|
| 1872 | { |
---|
| 1873 | uint32_t result; |
---|
| 1874 | |
---|
| 1875 | __ASM volatile ("qsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1876 | return(result); |
---|
| 1877 | } |
---|
| 1878 | |
---|
| 1879 | __STATIC_FORCEINLINE uint32_t __SHSAX(uint32_t op1, uint32_t op2) |
---|
| 1880 | { |
---|
| 1881 | uint32_t result; |
---|
| 1882 | |
---|
| 1883 | __ASM volatile ("shsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1884 | return(result); |
---|
| 1885 | } |
---|
| 1886 | |
---|
| 1887 | __STATIC_FORCEINLINE uint32_t __USAX(uint32_t op1, uint32_t op2) |
---|
| 1888 | { |
---|
| 1889 | uint32_t result; |
---|
| 1890 | |
---|
| 1891 | __ASM volatile ("usax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1892 | return(result); |
---|
| 1893 | } |
---|
| 1894 | |
---|
| 1895 | __STATIC_FORCEINLINE uint32_t __UQSAX(uint32_t op1, uint32_t op2) |
---|
| 1896 | { |
---|
| 1897 | uint32_t result; |
---|
| 1898 | |
---|
| 1899 | __ASM volatile ("uqsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1900 | return(result); |
---|
| 1901 | } |
---|
| 1902 | |
---|
| 1903 | __STATIC_FORCEINLINE uint32_t __UHSAX(uint32_t op1, uint32_t op2) |
---|
| 1904 | { |
---|
| 1905 | uint32_t result; |
---|
| 1906 | |
---|
| 1907 | __ASM volatile ("uhsax %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1908 | return(result); |
---|
| 1909 | } |
---|
| 1910 | |
---|
| 1911 | __STATIC_FORCEINLINE uint32_t __USAD8(uint32_t op1, uint32_t op2) |
---|
| 1912 | { |
---|
| 1913 | uint32_t result; |
---|
| 1914 | |
---|
| 1915 | __ASM volatile ("usad8 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1916 | return(result); |
---|
| 1917 | } |
---|
| 1918 | |
---|
| 1919 | __STATIC_FORCEINLINE uint32_t __USADA8(uint32_t op1, uint32_t op2, uint32_t op3) |
---|
| 1920 | { |
---|
| 1921 | uint32_t result; |
---|
| 1922 | |
---|
| 1923 | __ASM volatile ("usada8 %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); |
---|
| 1924 | return(result); |
---|
| 1925 | } |
---|
| 1926 | |
---|
| 1927 | #define __SSAT16(ARG1,ARG2) \ |
---|
| 1928 | ({ \ |
---|
| 1929 | int32_t __RES, __ARG1 = (ARG1); \ |
---|
| 1930 | __ASM ("ssat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ |
---|
| 1931 | __RES; \ |
---|
| 1932 | }) |
---|
| 1933 | |
---|
| 1934 | #define __USAT16(ARG1,ARG2) \ |
---|
| 1935 | ({ \ |
---|
| 1936 | uint32_t __RES, __ARG1 = (ARG1); \ |
---|
| 1937 | __ASM ("usat16 %0, %1, %2" : "=r" (__RES) : "I" (ARG2), "r" (__ARG1) ); \ |
---|
| 1938 | __RES; \ |
---|
| 1939 | }) |
---|
| 1940 | |
---|
| 1941 | __STATIC_FORCEINLINE uint32_t __UXTB16(uint32_t op1) |
---|
| 1942 | { |
---|
| 1943 | uint32_t result; |
---|
| 1944 | |
---|
| 1945 | __ASM volatile ("uxtb16 %0, %1" : "=r" (result) : "r" (op1)); |
---|
| 1946 | return(result); |
---|
| 1947 | } |
---|
| 1948 | |
---|
| 1949 | __STATIC_FORCEINLINE uint32_t __UXTAB16(uint32_t op1, uint32_t op2) |
---|
| 1950 | { |
---|
| 1951 | uint32_t result; |
---|
| 1952 | |
---|
| 1953 | __ASM volatile ("uxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1954 | return(result); |
---|
| 1955 | } |
---|
| 1956 | |
---|
| 1957 | __STATIC_FORCEINLINE uint32_t __SXTB16(uint32_t op1) |
---|
| 1958 | { |
---|
| 1959 | uint32_t result; |
---|
| 1960 | |
---|
| 1961 | __ASM volatile ("sxtb16 %0, %1" : "=r" (result) : "r" (op1)); |
---|
| 1962 | return(result); |
---|
| 1963 | } |
---|
| 1964 | |
---|
| 1965 | __STATIC_FORCEINLINE uint32_t __SXTAB16(uint32_t op1, uint32_t op2) |
---|
| 1966 | { |
---|
| 1967 | uint32_t result; |
---|
| 1968 | |
---|
| 1969 | __ASM volatile ("sxtab16 %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1970 | return(result); |
---|
| 1971 | } |
---|
| 1972 | |
---|
| 1973 | __STATIC_FORCEINLINE uint32_t __SMUAD (uint32_t op1, uint32_t op2) |
---|
| 1974 | { |
---|
| 1975 | uint32_t result; |
---|
| 1976 | |
---|
| 1977 | __ASM volatile ("smuad %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1978 | return(result); |
---|
| 1979 | } |
---|
| 1980 | |
---|
| 1981 | __STATIC_FORCEINLINE uint32_t __SMUADX (uint32_t op1, uint32_t op2) |
---|
| 1982 | { |
---|
| 1983 | uint32_t result; |
---|
| 1984 | |
---|
| 1985 | __ASM volatile ("smuadx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 1986 | return(result); |
---|
| 1987 | } |
---|
| 1988 | |
---|
| 1989 | __STATIC_FORCEINLINE uint32_t __SMLAD (uint32_t op1, uint32_t op2, uint32_t op3) |
---|
| 1990 | { |
---|
| 1991 | uint32_t result; |
---|
| 1992 | |
---|
| 1993 | __ASM volatile ("smlad %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); |
---|
| 1994 | return(result); |
---|
| 1995 | } |
---|
| 1996 | |
---|
| 1997 | __STATIC_FORCEINLINE uint32_t __SMLADX (uint32_t op1, uint32_t op2, uint32_t op3) |
---|
| 1998 | { |
---|
| 1999 | uint32_t result; |
---|
| 2000 | |
---|
| 2001 | __ASM volatile ("smladx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); |
---|
| 2002 | return(result); |
---|
| 2003 | } |
---|
| 2004 | |
---|
| 2005 | __STATIC_FORCEINLINE uint64_t __SMLALD (uint32_t op1, uint32_t op2, uint64_t acc) |
---|
| 2006 | { |
---|
| 2007 | union llreg_u{ |
---|
| 2008 | uint32_t w32[2]; |
---|
| 2009 | uint64_t w64; |
---|
| 2010 | } llr; |
---|
| 2011 | llr.w64 = acc; |
---|
| 2012 | |
---|
| 2013 | #ifndef __ARMEB__ /* Little endian */ |
---|
| 2014 | __ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) ); |
---|
| 2015 | #else /* Big endian */ |
---|
| 2016 | __ASM volatile ("smlald %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) ); |
---|
| 2017 | #endif |
---|
| 2018 | |
---|
| 2019 | return(llr.w64); |
---|
| 2020 | } |
---|
| 2021 | |
---|
| 2022 | __STATIC_FORCEINLINE uint64_t __SMLALDX (uint32_t op1, uint32_t op2, uint64_t acc) |
---|
| 2023 | { |
---|
| 2024 | union llreg_u{ |
---|
| 2025 | uint32_t w32[2]; |
---|
| 2026 | uint64_t w64; |
---|
| 2027 | } llr; |
---|
| 2028 | llr.w64 = acc; |
---|
| 2029 | |
---|
| 2030 | #ifndef __ARMEB__ /* Little endian */ |
---|
| 2031 | __ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) ); |
---|
| 2032 | #else /* Big endian */ |
---|
| 2033 | __ASM volatile ("smlaldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) ); |
---|
| 2034 | #endif |
---|
| 2035 | |
---|
| 2036 | return(llr.w64); |
---|
| 2037 | } |
---|
| 2038 | |
---|
| 2039 | __STATIC_FORCEINLINE uint32_t __SMUSD (uint32_t op1, uint32_t op2) |
---|
| 2040 | { |
---|
| 2041 | uint32_t result; |
---|
| 2042 | |
---|
| 2043 | __ASM volatile ("smusd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 2044 | return(result); |
---|
| 2045 | } |
---|
| 2046 | |
---|
| 2047 | __STATIC_FORCEINLINE uint32_t __SMUSDX (uint32_t op1, uint32_t op2) |
---|
| 2048 | { |
---|
| 2049 | uint32_t result; |
---|
| 2050 | |
---|
| 2051 | __ASM volatile ("smusdx %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 2052 | return(result); |
---|
| 2053 | } |
---|
| 2054 | |
---|
| 2055 | __STATIC_FORCEINLINE uint32_t __SMLSD (uint32_t op1, uint32_t op2, uint32_t op3) |
---|
| 2056 | { |
---|
| 2057 | uint32_t result; |
---|
| 2058 | |
---|
| 2059 | __ASM volatile ("smlsd %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); |
---|
| 2060 | return(result); |
---|
| 2061 | } |
---|
| 2062 | |
---|
| 2063 | __STATIC_FORCEINLINE uint32_t __SMLSDX (uint32_t op1, uint32_t op2, uint32_t op3) |
---|
| 2064 | { |
---|
| 2065 | uint32_t result; |
---|
| 2066 | |
---|
| 2067 | __ASM volatile ("smlsdx %0, %1, %2, %3" : "=r" (result) : "r" (op1), "r" (op2), "r" (op3) ); |
---|
| 2068 | return(result); |
---|
| 2069 | } |
---|
| 2070 | |
---|
| 2071 | __STATIC_FORCEINLINE uint64_t __SMLSLD (uint32_t op1, uint32_t op2, uint64_t acc) |
---|
| 2072 | { |
---|
| 2073 | union llreg_u{ |
---|
| 2074 | uint32_t w32[2]; |
---|
| 2075 | uint64_t w64; |
---|
| 2076 | } llr; |
---|
| 2077 | llr.w64 = acc; |
---|
| 2078 | |
---|
| 2079 | #ifndef __ARMEB__ /* Little endian */ |
---|
| 2080 | __ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) ); |
---|
| 2081 | #else /* Big endian */ |
---|
| 2082 | __ASM volatile ("smlsld %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) ); |
---|
| 2083 | #endif |
---|
| 2084 | |
---|
| 2085 | return(llr.w64); |
---|
| 2086 | } |
---|
| 2087 | |
---|
| 2088 | __STATIC_FORCEINLINE uint64_t __SMLSLDX (uint32_t op1, uint32_t op2, uint64_t acc) |
---|
| 2089 | { |
---|
| 2090 | union llreg_u{ |
---|
| 2091 | uint32_t w32[2]; |
---|
| 2092 | uint64_t w64; |
---|
| 2093 | } llr; |
---|
| 2094 | llr.w64 = acc; |
---|
| 2095 | |
---|
| 2096 | #ifndef __ARMEB__ /* Little endian */ |
---|
| 2097 | __ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[0]), "=r" (llr.w32[1]): "r" (op1), "r" (op2) , "0" (llr.w32[0]), "1" (llr.w32[1]) ); |
---|
| 2098 | #else /* Big endian */ |
---|
| 2099 | __ASM volatile ("smlsldx %0, %1, %2, %3" : "=r" (llr.w32[1]), "=r" (llr.w32[0]): "r" (op1), "r" (op2) , "0" (llr.w32[1]), "1" (llr.w32[0]) ); |
---|
| 2100 | #endif |
---|
| 2101 | |
---|
| 2102 | return(llr.w64); |
---|
| 2103 | } |
---|
| 2104 | |
---|
| 2105 | __STATIC_FORCEINLINE uint32_t __SEL (uint32_t op1, uint32_t op2) |
---|
| 2106 | { |
---|
| 2107 | uint32_t result; |
---|
| 2108 | |
---|
| 2109 | __ASM volatile ("sel %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 2110 | return(result); |
---|
| 2111 | } |
---|
| 2112 | |
---|
| 2113 | __STATIC_FORCEINLINE int32_t __QADD( int32_t op1, int32_t op2) |
---|
| 2114 | { |
---|
| 2115 | int32_t result; |
---|
| 2116 | |
---|
| 2117 | __ASM volatile ("qadd %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 2118 | return(result); |
---|
| 2119 | } |
---|
| 2120 | |
---|
| 2121 | __STATIC_FORCEINLINE int32_t __QSUB( int32_t op1, int32_t op2) |
---|
| 2122 | { |
---|
| 2123 | int32_t result; |
---|
| 2124 | |
---|
| 2125 | __ASM volatile ("qsub %0, %1, %2" : "=r" (result) : "r" (op1), "r" (op2) ); |
---|
| 2126 | return(result); |
---|
| 2127 | } |
---|
| 2128 | |
---|
| 2129 | #if 0 |
---|
| 2130 | #define __PKHBT(ARG1,ARG2,ARG3) \ |
---|
| 2131 | ({ \ |
---|
| 2132 | uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \ |
---|
| 2133 | __ASM ("pkhbt %0, %1, %2, lsl %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \ |
---|
| 2134 | __RES; \ |
---|
| 2135 | }) |
---|
| 2136 | |
---|
| 2137 | #define __PKHTB(ARG1,ARG2,ARG3) \ |
---|
| 2138 | ({ \ |
---|
| 2139 | uint32_t __RES, __ARG1 = (ARG1), __ARG2 = (ARG2); \ |
---|
| 2140 | if (ARG3 == 0) \ |
---|
| 2141 | __ASM ("pkhtb %0, %1, %2" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2) ); \ |
---|
| 2142 | else \ |
---|
| 2143 | __ASM ("pkhtb %0, %1, %2, asr %3" : "=r" (__RES) : "r" (__ARG1), "r" (__ARG2), "I" (ARG3) ); \ |
---|
| 2144 | __RES; \ |
---|
| 2145 | }) |
---|
| 2146 | #endif |
---|
| 2147 | |
---|
| 2148 | #define __PKHBT(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0x0000FFFFUL) | \ |
---|
| 2149 | ((((uint32_t)(ARG2)) << (ARG3)) & 0xFFFF0000UL) ) |
---|
| 2150 | |
---|
| 2151 | #define __PKHTB(ARG1,ARG2,ARG3) ( ((((uint32_t)(ARG1)) ) & 0xFFFF0000UL) | \ |
---|
| 2152 | ((((uint32_t)(ARG2)) >> (ARG3)) & 0x0000FFFFUL) ) |
---|
| 2153 | |
---|
| 2154 | __STATIC_FORCEINLINE int32_t __SMMLA (int32_t op1, int32_t op2, int32_t op3) |
---|
| 2155 | { |
---|
| 2156 | int32_t result; |
---|
| 2157 | |
---|
| 2158 | __ASM volatile ("smmla %0, %1, %2, %3" : "=r" (result): "r" (op1), "r" (op2), "r" (op3) ); |
---|
| 2159 | return(result); |
---|
| 2160 | } |
---|
| 2161 | |
---|
| 2162 | #endif /* (__ARM_FEATURE_DSP == 1) */ |
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| 2163 | /*@} end of group CMSIS_SIMD_intrinsics */ |
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| 2164 | |
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| 2165 | |
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| 2166 | #pragma GCC diagnostic pop |
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| 2167 | |
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| 2168 | #endif /* __CMSIS_GCC_H */ |
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